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-rw-r--r--tools/arch/arm/include/uapi/asm/kvm.h3
-rw-r--r--tools/arch/arm64/include/uapi/asm/kvm.h5
-rw-r--r--tools/arch/powerpc/include/uapi/asm/kvm.h3
-rw-r--r--tools/arch/x86/include/asm/cpufeatures.h3
-rw-r--r--tools/arch/x86/include/asm/msr-index.h18
-rw-r--r--tools/arch/x86/lib/memcpy_64.S20
-rw-r--r--tools/arch/x86/lib/memset_64.S16
-rw-r--r--tools/include/uapi/linux/fscrypt.h3
-rw-r--r--tools/include/uapi/linux/kvm.h11
-rw-r--r--tools/include/uapi/linux/sched.h60
-rw-r--r--tools/include/uapi/linux/stat.h2
-rw-r--r--tools/lib/traceevent/Makefile6
-rw-r--r--tools/perf/Documentation/perf-kvm.txt5
-rw-r--r--tools/perf/arch/arm/tests/regs_load.S4
-rw-r--r--tools/perf/arch/arm64/tests/regs_load.S4
-rw-r--r--tools/perf/arch/x86/tests/regs_load.S8
-rw-r--r--tools/perf/builtin-record.c2
-rw-r--r--tools/perf/builtin-stat.c288
-rwxr-xr-xtools/perf/check-headers.sh4
-rw-r--r--tools/perf/lib/cpumap.c73
-rw-r--r--tools/perf/lib/evlist.c1
-rw-r--r--tools/perf/lib/evsel.c76
-rw-r--r--tools/perf/lib/include/internal/evlist.h1
-rw-r--r--tools/perf/lib/include/perf/cpumap.h2
-rw-r--r--tools/perf/lib/include/perf/evsel.h3
-rw-r--r--tools/perf/tests/Build1
-rw-r--r--tools/perf/tests/builtin-test.c9
-rw-r--r--tools/perf/tests/cpumap.c16
-rw-r--r--tools/perf/tests/event-times.c4
-rw-r--r--tools/perf/tests/genelf.c51
-rw-r--r--tools/perf/tests/tests.h2
-rw-r--r--tools/perf/trace/beauty/clone.c1
-rw-r--r--tools/perf/util/cpumap.h1
-rw-r--r--tools/perf/util/evlist.c113
-rw-r--r--tools/perf/util/evlist.h11
-rw-r--r--tools/perf/util/evsel.c35
-rw-r--r--tools/perf/util/evsel.h9
-rw-r--r--tools/perf/util/genelf.c46
-rw-r--r--tools/perf/util/include/linux/linkage.h89
-rw-r--r--tools/perf/util/machine.c1
-rw-r--r--tools/perf/util/stat.c5
-rw-r--r--tools/perf/util/stat.h3
42 files changed, 789 insertions, 229 deletions
diff --git a/tools/arch/arm/include/uapi/asm/kvm.h b/tools/arch/arm/include/uapi/asm/kvm.h
index 2769360f195c..03cd7c19a683 100644
--- a/tools/arch/arm/include/uapi/asm/kvm.h
+++ b/tools/arch/arm/include/uapi/asm/kvm.h
@@ -131,8 +131,9 @@ struct kvm_vcpu_events {
struct {
__u8 serror_pending;
__u8 serror_has_esr;
+ __u8 ext_dabt_pending;
/* Align it to 8 bytes */
- __u8 pad[6];
+ __u8 pad[5];
__u64 serror_esr;
} exception;
__u32 reserved[12];
diff --git a/tools/arch/arm64/include/uapi/asm/kvm.h b/tools/arch/arm64/include/uapi/asm/kvm.h
index 67c21f9bdbad..820e5751ada7 100644
--- a/tools/arch/arm64/include/uapi/asm/kvm.h
+++ b/tools/arch/arm64/include/uapi/asm/kvm.h
@@ -164,8 +164,9 @@ struct kvm_vcpu_events {
struct {
__u8 serror_pending;
__u8 serror_has_esr;
+ __u8 ext_dabt_pending;
/* Align it to 8 bytes */
- __u8 pad[6];
+ __u8 pad[5];
__u64 serror_esr;
} exception;
__u32 reserved[12];
@@ -323,6 +324,8 @@ struct kvm_vcpu_events {
#define KVM_ARM_VCPU_TIMER_CTRL 1
#define KVM_ARM_VCPU_TIMER_IRQ_VTIMER 0
#define KVM_ARM_VCPU_TIMER_IRQ_PTIMER 1
+#define KVM_ARM_VCPU_PVTIME_CTRL 2
+#define KVM_ARM_VCPU_PVTIME_IPA 0
/* KVM_IRQ_LINE irq field index values */
#define KVM_ARM_IRQ_VCPU2_SHIFT 28
diff --git a/tools/arch/powerpc/include/uapi/asm/kvm.h b/tools/arch/powerpc/include/uapi/asm/kvm.h
index b0f72dea8b11..264e266a85bf 100644
--- a/tools/arch/powerpc/include/uapi/asm/kvm.h
+++ b/tools/arch/powerpc/include/uapi/asm/kvm.h
@@ -667,6 +667,8 @@ struct kvm_ppc_cpu_char {
/* PPC64 eXternal Interrupt Controller Specification */
#define KVM_DEV_XICS_GRP_SOURCES 1 /* 64-bit source attributes */
+#define KVM_DEV_XICS_GRP_CTRL 2
+#define KVM_DEV_XICS_NR_SERVERS 1
/* Layout of 64-bit source attribute values */
#define KVM_XICS_DESTINATION_SHIFT 0
@@ -683,6 +685,7 @@ struct kvm_ppc_cpu_char {
#define KVM_DEV_XIVE_GRP_CTRL 1
#define KVM_DEV_XIVE_RESET 1
#define KVM_DEV_XIVE_EQ_SYNC 2
+#define KVM_DEV_XIVE_NR_SERVERS 3
#define KVM_DEV_XIVE_GRP_SOURCE 2 /* 64-bit source identifier */
#define KVM_DEV_XIVE_GRP_SOURCE_CONFIG 3 /* 64-bit source identifier */
#define KVM_DEV_XIVE_GRP_EQ_CONFIG 4 /* 64-bit EQ identifier */
diff --git a/tools/arch/x86/include/asm/cpufeatures.h b/tools/arch/x86/include/asm/cpufeatures.h
index 0652d3eed9bd..e9b62498fe75 100644
--- a/tools/arch/x86/include/asm/cpufeatures.h
+++ b/tools/arch/x86/include/asm/cpufeatures.h
@@ -292,6 +292,7 @@
#define X86_FEATURE_CLZERO (13*32+ 0) /* CLZERO instruction */
#define X86_FEATURE_IRPERF (13*32+ 1) /* Instructions Retired Count */
#define X86_FEATURE_XSAVEERPTR (13*32+ 2) /* Always save/restore FP error pointers */
+#define X86_FEATURE_RDPRU (13*32+ 4) /* Read processor register at user level */
#define X86_FEATURE_WBNOINVD (13*32+ 9) /* WBNOINVD instruction */
#define X86_FEATURE_AMD_IBPB (13*32+12) /* "" Indirect Branch Prediction Barrier */
#define X86_FEATURE_AMD_IBRS (13*32+14) /* "" Indirect Branch Restricted Speculation */
@@ -399,5 +400,7 @@
#define X86_BUG_MDS X86_BUG(19) /* CPU is affected by Microarchitectural data sampling */
#define X86_BUG_MSBDS_ONLY X86_BUG(20) /* CPU is only affected by the MSDBS variant of BUG_MDS */
#define X86_BUG_SWAPGS X86_BUG(21) /* CPU is affected by speculation through SWAPGS */
+#define X86_BUG_TAA X86_BUG(22) /* CPU is affected by TSX Async Abort(TAA) */
+#define X86_BUG_ITLB_MULTIHIT X86_BUG(23) /* CPU may incur MCE during certain page attribute changes */
#endif /* _ASM_X86_CPUFEATURES_H */
diff --git a/tools/arch/x86/include/asm/msr-index.h b/tools/arch/x86/include/asm/msr-index.h
index 20ce682a2540..084e98da04a7 100644
--- a/tools/arch/x86/include/asm/msr-index.h
+++ b/tools/arch/x86/include/asm/msr-index.h
@@ -93,6 +93,18 @@
* Microarchitectural Data
* Sampling (MDS) vulnerabilities.
*/
+#define ARCH_CAP_PSCHANGE_MC_NO BIT(6) /*
+ * The processor is not susceptible to a
+ * machine check error due to modifying the
+ * code page size along with either the
+ * physical address or cache type
+ * without TLB invalidation.
+ */
+#define ARCH_CAP_TSX_CTRL_MSR BIT(7) /* MSR for TSX control is available. */
+#define ARCH_CAP_TAA_NO BIT(8) /*
+ * Not susceptible to
+ * TSX Async Abort (TAA) vulnerabilities.
+ */
#define MSR_IA32_FLUSH_CMD 0x0000010b
#define L1D_FLUSH BIT(0) /*
@@ -103,6 +115,10 @@
#define MSR_IA32_BBL_CR_CTL 0x00000119
#define MSR_IA32_BBL_CR_CTL3 0x0000011e
+#define MSR_IA32_TSX_CTRL 0x00000122
+#define TSX_CTRL_RTM_DISABLE BIT(0) /* Disable RTM feature */
+#define TSX_CTRL_CPUID_CLEAR BIT(1) /* Disable TSX enumeration */
+
#define MSR_IA32_SYSENTER_CS 0x00000174
#define MSR_IA32_SYSENTER_ESP 0x00000175
#define MSR_IA32_SYSENTER_EIP 0x00000176
@@ -393,6 +409,8 @@
#define MSR_AMD_PSTATE_DEF_BASE 0xc0010064
#define MSR_AMD64_OSVW_ID_LENGTH 0xc0010140
#define MSR_AMD64_OSVW_STATUS 0xc0010141
+#define MSR_AMD_PPIN_CTL 0xc00102f0
+#define MSR_AMD_PPIN 0xc00102f1
#define MSR_AMD64_LS_CFG 0xc0011020
#define MSR_AMD64_DC_CFG 0xc0011022
#define MSR_AMD64_BU_CFG2 0xc001102a
diff --git a/tools/arch/x86/lib/memcpy_64.S b/tools/arch/x86/lib/memcpy_64.S
index 92748660ba51..df767afc690f 100644
--- a/tools/arch/x86/lib/memcpy_64.S
+++ b/tools/arch/x86/lib/memcpy_64.S
@@ -28,8 +28,8 @@
* Output:
* rax original destination
*/
-ENTRY(__memcpy)
-ENTRY(memcpy)
+SYM_FUNC_START_ALIAS(__memcpy)
+SYM_FUNC_START_LOCAL(memcpy)
ALTERNATIVE_2 "jmp memcpy_orig", "", X86_FEATURE_REP_GOOD, \
"jmp memcpy_erms", X86_FEATURE_ERMS
@@ -41,8 +41,8 @@ ENTRY(memcpy)
movl %edx, %ecx
rep movsb
ret
-ENDPROC(memcpy)
-ENDPROC(__memcpy)
+SYM_FUNC_END(memcpy)
+SYM_FUNC_END_ALIAS(__memcpy)
EXPORT_SYMBOL(memcpy)
EXPORT_SYMBOL(__memcpy)
@@ -50,14 +50,14 @@ EXPORT_SYMBOL(__memcpy)
* memcpy_erms() - enhanced fast string memcpy. This is faster and
* simpler than memcpy. Use memcpy_erms when possible.
*/
-ENTRY(memcpy_erms)
+SYM_FUNC_START(memcpy_erms)
movq %rdi, %rax
movq %rdx, %rcx
rep movsb
ret
-ENDPROC(memcpy_erms)
+SYM_FUNC_END(memcpy_erms)
-ENTRY(memcpy_orig)
+SYM_FUNC_START(memcpy_orig)
movq %rdi, %rax
cmpq $0x20, %rdx
@@ -182,7 +182,7 @@ ENTRY(memcpy_orig)
.Lend:
retq
-ENDPROC(memcpy_orig)
+SYM_FUNC_END(memcpy_orig)
#ifndef CONFIG_UML
@@ -193,7 +193,7 @@ MCSAFE_TEST_CTL
* Note that we only catch machine checks when reading the source addresses.
* Writes to target are posted and don't generate machine checks.
*/
-ENTRY(__memcpy_mcsafe)
+SYM_FUNC_START(__memcpy_mcsafe)
cmpl $8, %edx
/* Less than 8 bytes? Go to byte copy loop */
jb .L_no_whole_words
@@ -260,7 +260,7 @@ ENTRY(__memcpy_mcsafe)
xorl %eax, %eax
.L_done:
ret
-ENDPROC(__memcpy_mcsafe)
+SYM_FUNC_END(__memcpy_mcsafe)
EXPORT_SYMBOL_GPL(__memcpy_mcsafe)
.section .fixup, "ax"
diff --git a/tools/arch/x86/lib/memset_64.S b/tools/arch/x86/lib/memset_64.S
index f8f3dc0a6690..fd5d25a474b7 100644
--- a/tools/arch/x86/lib/memset_64.S
+++ b/tools/arch/x86/lib/memset_64.S
@@ -18,8 +18,8 @@
*
* rax original destination
*/
-ENTRY(memset)
-ENTRY(__memset)
+SYM_FUNC_START_ALIAS(memset)
+SYM_FUNC_START(__memset)
/*
* Some CPUs support enhanced REP MOVSB/STOSB feature. It is recommended
* to use it when possible. If not available, use fast string instructions.
@@ -42,8 +42,8 @@ ENTRY(__memset)
rep stosb
movq %r9,%rax
ret
-ENDPROC(memset)
-ENDPROC(__memset)
+SYM_FUNC_END(__memset)
+SYM_FUNC_END_ALIAS(memset)
/*
* ISO C memset - set a memory block to a byte value. This function uses
@@ -56,16 +56,16 @@ ENDPROC(__memset)
*
* rax original destination
*/
-ENTRY(memset_erms)
+SYM_FUNC_START(memset_erms)
movq %rdi,%r9
movb %sil,%al
movq %rdx,%rcx
rep stosb
movq %r9,%rax
ret
-ENDPROC(memset_erms)
+SYM_FUNC_END(memset_erms)
-ENTRY(memset_orig)
+SYM_FUNC_START(memset_orig)
movq %rdi,%r10
/* expand byte value */
@@ -136,4 +136,4 @@ ENTRY(memset_orig)
subq %r8,%rdx
jmp .Lafter_bad_alignment
.Lfinal:
-ENDPROC(memset_orig)
+SYM_FUNC_END(memset_orig)
diff --git a/tools/include/uapi/linux/fscrypt.h b/tools/include/uapi/linux/fscrypt.h
index 39ccfe9311c3..1beb174ad950 100644
--- a/tools/include/uapi/linux/fscrypt.h
+++ b/tools/include/uapi/linux/fscrypt.h
@@ -17,7 +17,8 @@
#define FSCRYPT_POLICY_FLAGS_PAD_32 0x03
#define FSCRYPT_POLICY_FLAGS_PAD_MASK 0x03
#define FSCRYPT_POLICY_FLAG_DIRECT_KEY 0x04
-#define FSCRYPT_POLICY_FLAGS_VALID 0x07
+#define FSCRYPT_POLICY_FLAG_IV_INO_LBLK_64 0x08
+#define FSCRYPT_POLICY_FLAGS_VALID 0x0F
/* Encryption algorithms */
#define FSCRYPT_MODE_AES_256_XTS 1
diff --git a/tools/include/uapi/linux/kvm.h b/tools/include/uapi/linux/kvm.h
index 52641d8ca9e8..e6f17c8e2dba 100644
--- a/tools/include/uapi/linux/kvm.h
+++ b/tools/include/uapi/linux/kvm.h
@@ -235,6 +235,7 @@ struct kvm_hyperv_exit {
#define KVM_EXIT_S390_STSI 25
#define KVM_EXIT_IOAPIC_EOI 26
#define KVM_EXIT_HYPERV 27
+#define KVM_EXIT_ARM_NISV 28
/* For KVM_EXIT_INTERNAL_ERROR */
/* Emulate instruction failed. */
@@ -394,6 +395,11 @@ struct kvm_run {
} eoi;
/* KVM_EXIT_HYPERV */
struct kvm_hyperv_exit hyperv;
+ /* KVM_EXIT_ARM_NISV */
+ struct {
+ __u64 esr_iss;
+ __u64 fault_ipa;
+ } arm_nisv;
/* Fix the size of the union. */
char padding[256];
};
@@ -1000,6 +1006,9 @@ struct kvm_ppc_resize_hpt {
#define KVM_CAP_PMU_EVENT_FILTER 173
#define KVM_CAP_ARM_IRQ_LINE_LAYOUT_2 174
#define KVM_CAP_HYPERV_DIRECT_TLBFLUSH 175
+#define KVM_CAP_PPC_GUEST_DEBUG_SSTEP 176
+#define KVM_CAP_ARM_NISV_TO_USER 177
+#define KVM_CAP_ARM_INJECT_EXT_DABT 178
#ifdef KVM_CAP_IRQ_ROUTING
@@ -1227,6 +1236,8 @@ enum kvm_device_type {
#define KVM_DEV_TYPE_ARM_VGIC_ITS KVM_DEV_TYPE_ARM_VGIC_ITS
KVM_DEV_TYPE_XIVE,
#define KVM_DEV_TYPE_XIVE KVM_DEV_TYPE_XIVE
+ KVM_DEV_TYPE_ARM_PV_TIME,
+#define KVM_DEV_TYPE_ARM_PV_TIME KVM_DEV_TYPE_ARM_PV_TIME
KVM_DEV_TYPE_MAX,
};
diff --git a/tools/include/uapi/linux/sched.h b/tools/include/uapi/linux/sched.h
index 99335e1f4a27..4a0217832464 100644
--- a/tools/include/uapi/linux/sched.h
+++ b/tools/include/uapi/linux/sched.h
@@ -33,27 +33,48 @@
#define CLONE_NEWNET 0x40000000 /* New network namespace */
#define CLONE_IO 0x80000000 /* Clone io context */
+/* Flags for the clone3() syscall. */
+#define CLONE_CLEAR_SIGHAND 0x100000000ULL /* Clear any signal handler and reset to SIG_DFL. */
+
#ifndef __ASSEMBLY__
/**
* struct clone_args - arguments for the clone3 syscall
- * @flags: Flags for the new process as listed above.
- * All flags are valid except for CSIGNAL and
- * CLONE_DETACHED.
- * @pidfd: If CLONE_PIDFD is set, a pidfd will be
- * returned in this argument.
- * @child_tid: If CLONE_CHILD_SETTID is set, the TID of the
- * child process will be returned in the child's
- * memory.
- * @parent_tid: If CLONE_PARENT_SETTID is set, the TID of
- * the child process will be returned in the
- * parent's memory.
- * @exit_signal: The exit_signal the parent process will be
- * sent when the child exits.
- * @stack: Specify the location of the stack for the
- * child process.
- * @stack_size: The size of the stack for the child process.
- * @tls: If CLONE_SETTLS is set, the tls descriptor
- * is set to tls.
+ * @flags: Flags for the new process as listed above.
+ * All flags are valid except for CSIGNAL and
+ * CLONE_DETACHED.
+ * @pidfd: If CLONE_PIDFD is set, a pidfd will be
+ * returned in this argument.
+ * @child_tid: If CLONE_CHILD_SETTID is set, the TID of the
+ * child process will be returned in the child's
+ * memory.
+ * @parent_tid: If CLONE_PARENT_SETTID is set, the TID of
+ * the child process will be returned in the
+ * parent's memory.
+ * @exit_signal: The exit_signal the parent process will be
+ * sent when the child exits.
+ * @stack: Specify the location of the stack for the
+ * child process.
+ * Note, @stack is expected to point to the
+ * lowest address. The stack direction will be
+ * determined by the kernel and set up
+ * appropriately based on @stack_size.
+ * @stack_size: The size of the stack for the child process.
+ * @tls: If CLONE_SETTLS is set, the tls descriptor
+ * is set to tls.
+ * @set_tid: Pointer to an array of type *pid_t. The size
+ * of the array is defined using @set_tid_size.
+ * This array is used to select PIDs/TIDs for
+ * newly created processes. The first element in
+ * this defines the PID in the most nested PID
+ * namespace. Each additional element in the array
+ * defines the PID in the parent PID namespace of
+ * the original PID namespace. If the array has
+ * less entries than the number of currently
+ * nested PID namespaces only the PIDs in the
+ * corresponding namespaces are set.
+ * @set_tid_size: This defines the size of the array referenced
+ * in @set_tid. This cannot be larger than the
+ * kernel's limit of nested PID namespaces.
*
* The structure is versioned by size and thus extensible.
* New struct members must go at the end of the struct and
@@ -68,10 +89,13 @@ struct clone_args {
__aligned_u64 stack;
__aligned_u64 stack_size;
__aligned_u64 tls;
+ __aligned_u64 set_tid;
+ __aligned_u64 set_tid_size;
};
#endif
#define CLONE_ARGS_SIZE_VER0 64 /* sizeof first published struct */
+#define CLONE_ARGS_SIZE_VER1 80 /* sizeof second published struct */
/*
* Scheduling policies
diff --git a/tools/include/uapi/linux/stat.h b/tools/include/uapi/linux/stat.h
index 7b35e98d3c58..ad80a5c885d5 100644
--- a/tools/include/uapi/linux/stat.h
+++ b/tools/include/uapi/linux/stat.h
@@ -167,8 +167,8 @@ struct statx {
#define STATX_ATTR_APPEND 0x00000020 /* [I] File is append-only */
#define STATX_ATTR_NODUMP 0x00000040 /* [I] File is not to be dumped */
#define STATX_ATTR_ENCRYPTED 0x00000800 /* [I] File requires key to decrypt in fs */
-
#define STATX_ATTR_AUTOMOUNT 0x00001000 /* Dir: Automount trigger */
+#define STATX_ATTR_VERITY 0x00100000 /* [I] Verity protected file */
#endif /* _UAPI_LINUX_STAT_H */
diff --git a/tools/lib/traceevent/Makefile b/tools/lib/traceevent/Makefile
index cbb429f55062..c5a03356a999 100644
--- a/tools/lib/traceevent/Makefile
+++ b/tools/lib/traceevent/Makefile
@@ -97,6 +97,7 @@ EVENT_PARSE_VERSION = $(EP_VERSION).$(EP_PATCHLEVEL).$(EP_EXTRAVERSION)
LIB_TARGET = libtraceevent.a libtraceevent.so.$(EVENT_PARSE_VERSION)
LIB_INSTALL = libtraceevent.a libtraceevent.so*
+LIB_INSTALL := $(addprefix $(OUTPUT),$(LIB_INSTALL))
INCLUDES = -I. -I $(srctree)/tools/include $(CONFIG_INCLUDES)
@@ -207,10 +208,11 @@ define do_install
$(INSTALL) $(if $3,-m $3,) $1 '$(DESTDIR_SQ)$2'
endef
-PKG_CONFIG_FILE = libtraceevent.pc
+PKG_CONFIG_SOURCE_FILE = libtraceevent.pc
+PKG_CONFIG_FILE := $(addprefix $(OUTPUT),$(PKG_CONFIG_SOURCE_FILE))
define do_install_pkgconfig_file
if [ -n "${pkgconfig_dir}" ]; then \
- cp -f ${PKG_CONFIG_FILE}.template ${PKG_CONFIG_FILE}; \
+ cp -f ${PKG_CONFIG_SOURCE_FILE}.template ${PKG_CONFIG_FILE}; \
sed -i "s|INSTALL_PREFIX|${1}|g" ${PKG_CONFIG_FILE}; \
sed -i "s|LIB_VERSION|${EVENT_PARSE_VERSION}|g" ${PKG_CONFIG_FILE}; \
sed -i "s|LIB_DIR|${libdir}|g" ${PKG_CONFIG_FILE}; \
diff --git a/tools/perf/Documentation/perf-kvm.txt b/tools/perf/Documentation/perf-kvm.txt
index 6a5bb2b17039..cf95baef7b61 100644
--- a/tools/perf/Documentation/perf-kvm.txt
+++ b/tools/perf/Documentation/perf-kvm.txt
@@ -68,10 +68,11 @@ OPTIONS
-------
-i::
--input=<path>::
- Input file name.
+ Input file name, for the 'report', 'diff' and 'buildid-list' subcommands.
-o::
--output=<path>::
- Output file name.
+ Output file name, for the 'record' subcommand. Doesn't work with 'report',
+ just redirect the output to a file when using 'report'.
--host::
Collect host side performance profile.
--guest::
diff --git a/tools/perf/arch/arm/tests/regs_load.S b/tools/perf/arch/arm/tests/regs_load.S
index 6e2495cc4517..4284307d7822 100644
--- a/tools/perf/arch/arm/tests/regs_load.S
+++ b/tools/perf/arch/arm/tests/regs_load.S
@@ -37,7 +37,7 @@
.text
.type perf_regs_load,%function
-ENTRY(perf_regs_load)
+SYM_FUNC_START(perf_regs_load)
str r0, [r0, #R0]
str r1, [r0, #R1]
str r2, [r0, #R2]
@@ -56,4 +56,4 @@ ENTRY(perf_regs_load)
str lr, [r0, #PC] // store pc as lr in order to skip the call
// to this function
mov pc, lr
-ENDPROC(perf_regs_load)
+SYM_FUNC_END(perf_regs_load)
diff --git a/tools/perf/arch/arm64/tests/regs_load.S b/tools/perf/arch/arm64/tests/regs_load.S
index 07042511dca9..d49de40b6818 100644
--- a/tools/perf/arch/arm64/tests/regs_load.S
+++ b/tools/perf/arch/arm64/tests/regs_load.S
@@ -7,7 +7,7 @@
#define LDR_REG(r) ldr x##r, [x0, 8 * r]
#define SP (8 * 31)
#define PC (8 * 32)
-ENTRY(perf_regs_load)
+SYM_FUNC_START(perf_regs_load)
STR_REG(0)
STR_REG(1)
STR_REG(2)
@@ -44,4 +44,4 @@ ENTRY(perf_regs_load)
str x30, [x0, #PC]
LDR_REG(1)
ret
-ENDPROC(perf_regs_load)
+SYM_FUNC_END(perf_regs_load)
diff --git a/tools/perf/arch/x86/tests/regs_load.S b/tools/perf/arch/x86/tests/regs_load.S
index bbe5a0d16e51..80f14f52e3f6 100644
--- a/tools/perf/arch/x86/tests/regs_load.S
+++ b/tools/perf/arch/x86/tests/regs_load.S
@@ -28,7 +28,7 @@
.text
#ifdef HAVE_ARCH_X86_64_SUPPORT
-ENTRY(perf_regs_load)
+SYM_FUNC_START(perf_regs_load)
movq %rax, AX(%rdi)
movq %rbx, BX(%rdi)
movq %rcx, CX(%rdi)
@@ -60,9 +60,9 @@ ENTRY(perf_regs_load)
movq %r14, R14(%rdi)
movq %r15, R15(%rdi)
ret
-ENDPROC(perf_regs_load)
+SYM_FUNC_END(perf_regs_load)
#else
-ENTRY(perf_regs_load)
+SYM_FUNC_START(perf_regs_load)
push %edi
movl 8(%esp), %edi
movl %eax, AX(%edi)
@@ -88,7 +88,7 @@ ENTRY(perf_regs_load)
movl $0, FS(%edi)
movl $0, GS(%edi)
ret
-ENDPROC(perf_regs_load)
+SYM_FUNC_END(perf_regs_load)
#endif
/*
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index b5063d3b6fd0..fb19ef63cc35 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -832,7 +832,7 @@ try_again:
if ((errno == EINVAL || errno == EBADF) &&
pos->leader != pos &&
pos->weak_group) {
- pos = perf_evlist__reset_weak_group(evlist, pos);
+ pos = perf_evlist__reset_weak_group(evlist, pos, true);
goto try_again;
}
rc = -errno;
diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c
index 0a15253b438c..a098c2ebf4ea 100644
--- a/tools/perf/builtin-stat.c
+++ b/tools/perf/builtin-stat.c
@@ -65,6 +65,7 @@
#include "util/target.h"
#include "util/time-utils.h"
#include "util/top.h"
+#include "util/affinity.h"
#include "asm/bug.h"
#include <linux/time64.h>
@@ -265,15 +266,10 @@ static int read_single_counter(struct evsel *counter, int cpu,
* Read out the results of a single counter:
* do not aggregate counts across CPUs in system-wide mode
*/
-static int read_counter(struct evsel *counter, struct timespec *rs)
+static int read_counter_cpu(struct evsel *counter, struct timespec *rs, int cpu)
{
int nthreads = perf_thread_map__nr(evsel_list->core.threads);
- int ncpus, cpu, thread;
-
- if (target__has_cpu(&target) && !target__has_per_thread(&target))
- ncpus = perf_evsel__nr_cpus(counter);
- else
- ncpus = 1;
+ int thread;
if (!counter->supported)
return -ENOENT;
@@ -282,40 +278,38 @@ static int read_counter(struct evsel *counter, struct timespec *rs)
nthreads = 1;
for (thread = 0; thread < nthreads; thread++) {
- for (cpu = 0; cpu < ncpus; cpu++) {
- struct perf_counts_values *count;
-
- count = perf_counts(counter->counts, cpu, thread);
-
- /*
- * The leader's group read loads data into its group members
- * (via perf_evsel__read_counter) and sets threir count->loaded.
- */
- if (!perf_counts__is_loaded(counter->counts, cpu, thread) &&
- read_single_counter(counter, cpu, thread, rs)) {
- counter->counts->scaled = -1;
- perf_counts(counter->counts, cpu, thread)->ena = 0;
- perf_counts(counter->counts, cpu, thread)->run = 0;
- return -1;
- }
+ struct perf_counts_values *count;
- perf_counts__set_loaded(counter->counts, cpu, thread, false);
+ count = perf_counts(counter->counts, cpu, thread);
- if (STAT_RECORD) {
- if (perf_evsel__write_stat_event(counter, cpu, thread, count)) {
- pr_err("failed to write stat event\n");
- return -1;
- }
- }
+ /*
+ * The leader's group read loads data into its group members
+ * (via perf_evsel__read_counter()) and sets their count->loaded.
+ */
+ if (!perf_counts__is_loaded(counter->counts, cpu, thread) &&
+ read_single_counter(counter, cpu, thread, rs)) {
+ counter->counts->scaled = -1;
+ perf_counts(counter->counts, cpu, thread)->ena = 0;
+ perf_counts(counter->counts, cpu, thread)->run = 0;
+ return -1;
+ }
+
+ perf_counts__set_loaded(counter->counts, cpu, thread, false);
- if (verbose > 1) {
- fprintf(stat_config.output,
- "%s: %d: %" PRIu64 " %" PRIu64 " %" PRIu64 "\n",
- perf_evsel__name(counter),
- cpu,
- count->val, count->ena, count->run);
+ if (STAT_RECORD) {
+ if (perf_evsel__write_stat_event(counter, cpu, thread, count)) {
+ pr_err("failed to write stat event\n");
+ return -1;
}
}
+
+ if (verbose > 1) {
+ fprintf(stat_config.output,
+ "%s: %d: %" PRIu64 " %" PRIu64 " %" PRIu64 "\n",
+ perf_evsel__name(counter),
+ cpu,
+ count->val, count->ena, count->run);
+ }
}
return 0;
@@ -324,15 +318,37 @@ static int read_counter(struct evsel *counter, struct timespec *rs)
static void read_counters(struct timespec *rs)
{
struct evsel *counter;
- int ret;
+ struct affinity affinity;
+ int i, ncpus, cpu;
+
+ if (affinity__setup(&affinity) < 0)
+ return;
+
+ ncpus = perf_cpu_map__nr(evsel_list->core.all_cpus);
+ if (!target__has_cpu(&target) || target__has_per_thread(&target))
+ ncpus = 1;
+ evlist__for_each_cpu(evsel_list, i, cpu) {
+ if (i >= ncpus)
+ break;
+ affinity__set(&affinity, cpu);
+
+ evlist__for_each_entry(evsel_list, counter) {
+ if (evsel__cpu_iter_skip(counter, cpu))
+ continue;
+ if (!counter->err) {
+ counter->err = read_counter_cpu(counter, rs,
+ counter->cpu_iter - 1);
+ }
+ }
+ }
+ affinity__cleanup(&affinity);
evlist__for_each_entry(evsel_list, counter) {
- ret = read_counter(counter, rs);
- if (ret)
+ if (counter->err)
pr_debug("failed to read counter %s\n", counter->name);
-
- if (ret == 0 && perf_stat_process_counter(&stat_config, counter))
+ if (counter->err == 0 && perf_stat_process_counter(&stat_config, counter))
pr_warning("failed to process counter %s\n", counter->name);
+ counter->err = 0;
}
}
@@ -420,6 +436,62 @@ static bool is_target_alive(struct target *_target,
return false;
}
+enum counter_recovery {
+ COUNTER_SKIP,
+ COUNTER_RETRY,
+ COUNTER_FATAL,
+};
+
+static enum counter_recovery stat_handle_error(struct evsel *counter)
+{
+ char msg[BUFSIZ];
+ /*
+ * PPC returns ENXIO for HW counters until 2.6.37
+ * (behavior changed with commit b0a873e).
+ */
+ if (errno == EINVAL || errno == ENOSYS ||
+ errno == ENOENT || errno == EOPNOTSUPP ||
+ errno == ENXIO) {
+ if (verbose > 0)
+ ui__warning("%s event is not supported by the kernel.\n",
+ perf_evsel__name(counter));
+ counter->supported = false;
+ /*
+ * errored is a sticky flag that means one of the counter's
+ * cpu event had a problem and needs to be reexamined.
+ */
+ counter->errored = true;
+
+ if ((counter->leader != counter) ||
+ !(counter->leader->core.nr_members > 1))
+ return COUNTER_SKIP;
+ } else if (perf_evsel__fallback(counter, errno, msg, sizeof(msg))) {
+ if (verbose > 0)
+ ui__warning("%s\n", msg);
+ return COUNTER_RETRY;
+ } else if (target__has_per_thread(&target) &&
+ evsel_list->core.threads &&
+ evsel_list->core.threads->err_thread != -1) {
+ /*
+ * For global --per-thread case, skip current
+ * error thread.
+ */
+ if (!thread_map__remove(evsel_list->core.threads,
+ evsel_list->core.threads->err_thread)) {
+ evsel_list->core.threads->err_thread = -1;
+ return COUNTER_RETRY;
+ }
+ }
+
+ perf_evsel__open_strerror(counter, &target,
+ errno, msg, sizeof(msg));
+ ui__error("%s\n", msg);
+
+ if (child_pid != -1)
+ kill(child_pid, SIGTERM);
+ return COUNTER_FATAL;
+}
+
static int __run_perf_stat(int argc, const char **argv, int run_idx)
{
int interval = stat_config.interval;
@@ -433,6 +505,9 @@ static int __run_perf_stat(int argc, const char **argv, int run_idx)
int status = 0;
const bool forks = (argc > 0);
bool is_pipe = STAT_RECORD ? perf_stat.data.is_pipe : false;
+ struct affinity affinity;
+ int i, cpu;
+ bool second_pass = false;
if (interval) {
ts.tv_sec = interval / USEC_PER_MSEC;
@@ -457,61 +532,104 @@ static int __run_perf_stat(int argc, const char **argv, int run_idx)
if (group)
perf_evlist__set_leader(evsel_list);
- evlist__for_each_entry(evsel_list, counter) {
+ if (affinity__setup(&affinity) < 0)
+ return -1;
+
+ evlist__for_each_cpu (evsel_list, i, cpu) {
+ affinity__set(&affinity, cpu);
+
+ evlist__for_each_entry(evsel_list, counter) {
+ if (evsel__cpu_iter_skip(counter, cpu))
+ continue;
+ if (counter->reset_group || counter->errored)
+ continue;
try_again:
- if (create_perf_stat_counter(counter, &stat_config, &target) < 0) {
-
- /* Weak group failed. Reset the group. */
- if ((errno == EINVAL || errno == EBADF) &&
- counter->leader != counter &&
- counter->weak_group) {
- counter = perf_evlist__reset_weak_group(evsel_list, counter);
- goto try_again;
- }
+ if (create_perf_stat_counter(counter, &stat_config, &target,
+ counter->cpu_iter - 1) < 0) {
- /*
- * PPC returns ENXIO for HW counters until 2.6.37
- * (behavior changed with commit b0a873e).
- */
- if (errno == EINVAL || errno == ENOSYS ||
- errno == ENOENT || errno == EOPNOTSUPP ||
- errno == ENXIO) {
- if (verbose > 0)
- ui__warning("%s event is not supported by the kernel.\n",
- perf_evsel__name(counter));
- counter->supported = false;
-
- if ((counter->leader != counter) ||
- !(counter->leader->core.nr_members > 1))
- continue;
- } else if (perf_evsel__fallback(counter, errno, msg, sizeof(msg))) {
- if (verbose > 0)
- ui__warning("%s\n", msg);
- goto try_again;
- } else if (target__has_per_thread(&target) &&
- evsel_list->core.threads &&
- evsel_list->core.threads->err_thread != -1) {
/*
- * For global --per-thread case, skip current
- * error thread.
+ * Weak group failed. We cannot just undo this here
+ * because earlier CPUs might be in group mode, and the kernel
+ * doesn't support mixing group and non group reads. Defer
+ * it to later.
+ * Don't close here because we're in the wrong affinity.
*/
- if (!thread_map__remove(evsel_list->core.threads,
- evsel_list->core.threads->err_thread)) {
- evsel_list->core.threads->err_thread = -1;
+ if ((errno == EINVAL || errno == EBADF) &&
+ counter->leader != counter &&
+ counter->weak_group) {
+ perf_evlist__reset_weak_group(evsel_list, counter, false);
+ assert(counter->reset_group);
+ second_pass = true;
+ continue;
+ }
+
+ switch (stat_handle_error(counter)) {
+ case COUNTER_FATAL:
+ return -1;
+ case COUNTER_RETRY:
goto try_again;
+ case COUNTER_SKIP:
+ continue;
+ default:
+ break;
}
+
}
+ counter->supported = true;
+ }
+ }
- perf_evsel__open_strerror(counter, &target,
- errno, msg, sizeof(msg));
- ui__error("%s\n", msg);
+ if (second_pass) {
+ /*
+ * Now redo all the weak group after closing them,
+ * and also close errored counters.
+ */
- if (child_pid != -1)
- kill(child_pid, SIGTERM);
+ evlist__for_each_cpu(evsel_list, i, cpu) {
+ affinity__set(&affinity, cpu);
+ /* First close errored or weak retry */
+ evlist__for_each_entry(evsel_list, counter) {
+ if (!counter->reset_group && !counter->errored)
+ continue;
+ if (evsel__cpu_iter_skip_no_inc(counter, cpu))
+ continue;
+ perf_evsel__close_cpu(&counter->core, counter->cpu_iter);
+ }
+ /* Now reopen weak */
+ evlist__for_each_entry(evsel_list, counter) {
+ if (!counter->reset_group && !counter->errored)
+ continue;
+ if (evsel__cpu_iter_skip(counter, cpu))
+ continue;
+ if (!counter->reset_group)
+ continue;
+try_again_reset:
+ pr_debug2("reopening weak %s\n", perf_evsel__name(counter));
+ if (create_perf_stat_counter(counter, &stat_config, &target,
+ counter->cpu_iter - 1) < 0) {
+
+ switch (stat_handle_error(counter)) {
+ case COUNTER_FATAL:
+ return -1;
+ case COUNTER_RETRY:
+ goto try_again_reset;
+ case COUNTER_SKIP:
+ continue;
+ default:
+ break;
+ }
+ }
+ counter->supported = true;
+ }
+ }
+ }
+ affinity__cleanup(&affinity);
- return -1;
+ evlist__for_each_entry(evsel_list, counter) {
+ if (!counter->supported) {
+ perf_evsel__free_fd(&counter->core);
+ continue;
}
- counter->supported = true;
l = strlen(counter->unit);
if (l > stat_config.unit_width)
diff --git a/tools/perf/check-headers.sh b/tools/perf/check-headers.sh
index a1dc16724352..68039a96c1dc 100755
--- a/tools/perf/check-headers.sh
+++ b/tools/perf/check-headers.sh
@@ -110,8 +110,8 @@ for i in $FILES; do
done
# diff with extra ignore lines
-check arch/x86/lib/memcpy_64.S '-I "^EXPORT_SYMBOL" -I "^#include <asm/export.h>"'
-check arch/x86/lib/memset_64.S '-I "^EXPORT_SYMBOL" -I "^#include <asm/export.h>"'
+check arch/x86/lib/memcpy_64.S '-I "^EXPORT_SYMBOL" -I "^#include <asm/export.h>" -I"^SYM_FUNC_START\(_LOCAL\)*(memcpy_\(erms\|orig\))"'
+check arch/x86/lib/memset_64.S '-I "^EXPORT_SYMBOL" -I "^#include <asm/export.h>" -I"^SYM_FUNC_START\(_LOCAL\)*(memset_\(erms\|orig\))"'
check include/uapi/asm-generic/mman.h '-I "^#include <\(uapi/\)*asm-generic/mman-common\(-tools\)*.h>"'
check include/uapi/linux/mman.h '-I "^#include <\(uapi/\)*asm/mman.h>"'
check include/linux/ctype.h '-I "isdigit("'
diff --git a/tools/perf/lib/cpumap.c b/tools/perf/lib/cpumap.c
index 2ca1fafa620d..f93f4e703e4c 100644
--- a/tools/perf/lib/cpumap.c
+++ b/tools/perf/lib/cpumap.c
@@ -68,14 +68,28 @@ static struct perf_cpu_map *cpu_map__default_new(void)
return cpus;
}
+static int cmp_int(const void *a, const void *b)
+{
+ return *(const int *)a - *(const int*)b;
+}
+
static struct perf_cpu_map *cpu_map__trim_new(int nr_cpus, int *tmp_cpus)
{
size_t payload_size = nr_cpus * sizeof(int);
struct perf_cpu_map *cpus = malloc(sizeof(*cpus) + payload_size);
+ int i, j;
if (cpus != NULL) {
- cpus->nr = nr_cpus;
memcpy(cpus->map, tmp_cpus, payload_size);
+ qsort(cpus->map, nr_cpus, sizeof(int), cmp_int);
+ /* Remove dups */
+ j = 0;
+ for (i = 0; i < nr_cpus; i++) {
+ if (i == 0 || cpus->map[i] != cpus->map[i - 1])
+ cpus->map[j++] = cpus->map[i];
+ }
+ cpus->nr = j;
+ assert(j <= nr_cpus);
refcount_set(&cpus->refcnt, 1);
}
@@ -272,3 +286,60 @@ int perf_cpu_map__max(struct perf_cpu_map *map)
return max;
}
+
+/*
+ * Merge two cpumaps
+ *
+ * orig either gets freed and replaced with a new map, or reused
+ * with no reference count change (similar to "realloc")
+ * other has its reference count increased.
+ */
+
+struct perf_cpu_map *perf_cpu_map__merge(struct perf_cpu_map *orig,
+ struct perf_cpu_map *other)
+{
+ int *tmp_cpus;
+ int tmp_len;
+ int i, j, k;
+ struct perf_cpu_map *merged;
+
+ if (!orig && !other)
+ return NULL;
+ if (!orig) {
+ perf_cpu_map__get(other);
+ return other;
+ }
+ if (!other)
+ return orig;
+ if (orig->nr == other->nr &&
+ !memcmp(orig->map, other->map, orig->nr * sizeof(int)))
+ return orig;
+
+ tmp_len = orig->nr + other->nr;
+ tmp_cpus = malloc(tmp_len * sizeof(int));
+ if (!tmp_cpus)
+ return NULL;
+
+ /* Standard merge algorithm from wikipedia */
+ i = j = k = 0;
+ while (i < orig->nr && j < other->nr) {
+ if (orig->map[i] <= other->map[j]) {
+ if (orig->map[i] == other->map[j])
+ j++;
+ tmp_cpus[k++] = orig->map[i++];
+ } else
+ tmp_cpus[k++] = other->map[j++];
+ }
+
+ while (i < orig->nr)
+ tmp_cpus[k++] = orig->map[i++];
+
+ while (j < other->nr)
+ tmp_cpus[k++] = other->map[j++];
+ assert(k <= tmp_len);
+
+ merged = cpu_map__trim_new(k, tmp_cpus);
+ free(tmp_cpus);
+ perf_cpu_map__put(orig);
+ return merged;
+}
diff --git a/tools/perf/lib/evlist.c b/tools/perf/lib/evlist.c
index 205ddbb80bc1..ae9e65aa2491 100644
--- a/tools/perf/lib/evlist.c
+++ b/tools/perf/lib/evlist.c
@@ -54,6 +54,7 @@ static void __perf_evlist__propagate_maps(struct perf_evlist *evlist,
perf_thread_map__put(evsel->threads);
evsel->threads = perf_thread_map__get(evlist->threads);
+ evlist->all_cpus = perf_cpu_map__merge(evlist->all_cpus, evsel->cpus);
}
static void perf_evlist__propagate_maps(struct perf_evlist *evlist)
diff --git a/tools/perf/lib/evsel.c b/tools/perf/lib/evsel.c
index 5a89857b0381..4dc06289f4c7 100644
--- a/tools/perf/lib/evsel.c
+++ b/tools/perf/lib/evsel.c
@@ -114,16 +114,23 @@ int perf_evsel__open(struct perf_evsel *evsel, struct perf_cpu_map *cpus,
return err;
}
+static void perf_evsel__close_fd_cpu(struct perf_evsel *evsel, int cpu)
+{
+ int thread;
+
+ for (thread = 0; thread < xyarray__max_y(evsel->fd); ++thread) {
+ if (FD(evsel, cpu, thread) >= 0)
+ close(FD(evsel, cpu, thread));
+ FD(evsel, cpu, thread) = -1;
+ }
+}
+
void perf_evsel__close_fd(struct perf_evsel *evsel)
{
- int cpu, thread;
+ int cpu;
for (cpu = 0; cpu < xyarray__max_x(evsel->fd); cpu++)
- for (thread = 0; thread < xyarray__max_y(evsel->fd); ++thread) {
- if (FD(evsel, cpu, thread) >= 0)
- close(FD(evsel, cpu, thread));
- FD(evsel, cpu, thread) = -1;
- }
+ perf_evsel__close_fd_cpu(evsel, cpu);
}
void perf_evsel__free_fd(struct perf_evsel *evsel)
@@ -141,6 +148,14 @@ void perf_evsel__close(struct perf_evsel *evsel)
perf_evsel__free_fd(evsel);
}
+void perf_evsel__close_cpu(struct perf_evsel *evsel, int cpu)
+{
+ if (evsel->fd == NULL)
+ return;
+
+ perf_evsel__close_fd_cpu(evsel, cpu);
+}
+
int perf_evsel__read_size(struct perf_evsel *evsel)
{
u64 read_format = evsel->attr.read_format;
@@ -183,38 +198,61 @@ int perf_evsel__read(struct perf_evsel *evsel, int cpu, int thread,
}
static int perf_evsel__run_ioctl(struct perf_evsel *evsel,
- int ioc, void *arg)
+ int ioc, void *arg,
+ int cpu)
{
- int cpu, thread;
+ int thread;
- for (cpu = 0; cpu < xyarray__max_x(evsel->fd); cpu++) {
- for (thread = 0; thread < xyarray__max_y(evsel->fd); thread++) {
- int fd = FD(evsel, cpu, thread),
- err = ioctl(fd, ioc, arg);
+ for (thread = 0; thread < xyarray__max_y(evsel->fd); thread++) {
+ int fd = FD(evsel, cpu, thread),
+ err = ioctl(fd, ioc, arg);
- if (err)
- return err;
- }
+ if (err)
+ return err;
}
return 0;
}
+int perf_evsel__enable_cpu(struct perf_evsel *evsel, int cpu)
+{
+ return perf_evsel__run_ioctl(evsel, PERF_EVENT_IOC_ENABLE, NULL, cpu);
+}
+
int perf_evsel__enable(struct perf_evsel *evsel)
{
- return perf_evsel__run_ioctl(evsel, PERF_EVENT_IOC_ENABLE, 0);
+ int i;
+ int err = 0;
+
+ for (i = 0; i < xyarray__max_x(evsel->fd) && !err; i++)
+ err = perf_evsel__run_ioctl(evsel, PERF_EVENT_IOC_ENABLE, NULL, i);
+ return err;
+}
+
+int perf_evsel__disable_cpu(struct perf_evsel *evsel, int cpu)
+{
+ return perf_evsel__run_ioctl(evsel, PERF_EVENT_IOC_DISABLE, NULL, cpu);
}
int perf_evsel__disable(struct perf_evsel *evsel)
{
- return perf_evsel__run_ioctl(evsel, PERF_EVENT_IOC_DISABLE, 0);
+ int i;
+ int err = 0;
+
+ for (i = 0; i < xyarray__max_x(evsel->fd) && !err; i++)
+ err = perf_evsel__run_ioctl(evsel, PERF_EVENT_IOC_DISABLE, NULL, i);
+ return err;
}
int perf_evsel__apply_filter(struct perf_evsel *evsel, const char *filter)
{
- return perf_evsel__run_ioctl(evsel,
+ int err = 0, i;
+
+ for (i = 0; i < evsel->cpus->nr && !err; i++)
+ err = perf_evsel__run_ioctl(evsel,
PERF_EVENT_IOC_SET_FILTER,
- (void *)filter);
+ (void *)filter, i);
+ return err;
}
struct perf_cpu_map *perf_evsel__cpus(struct perf_evsel *evsel)
diff --git a/tools/perf/lib/include/internal/evlist.h b/tools/perf/lib/include/internal/evlist.h
index a2fbccf1922f..74dc8c3f0b66 100644
--- a/tools/perf/lib/include/internal/evlist.h
+++ b/tools/perf/lib/include/internal/evlist.h
@@ -18,6 +18,7 @@ struct perf_evlist {
int nr_entries;
bool has_user_cpus;
struct perf_cpu_map *cpus;
+ struct perf_cpu_map *all_cpus;
struct perf_thread_map *threads;
int nr_mmaps;
size_t mmap_len;
diff --git a/tools/perf/lib/include/perf/cpumap.h b/tools/perf/lib/include/perf/cpumap.h
index ac9aa497f84a..6a17ad730cbc 100644
--- a/tools/perf/lib/include/perf/cpumap.h
+++ b/tools/perf/lib/include/perf/cpumap.h
@@ -12,6 +12,8 @@ LIBPERF_API struct perf_cpu_map *perf_cpu_map__dummy_new(void);
LIBPERF_API struct perf_cpu_map *perf_cpu_map__new(const char *cpu_list);
LIBPERF_API struct perf_cpu_map *perf_cpu_map__read(FILE *file);
LIBPERF_API struct perf_cpu_map *perf_cpu_map__get(struct perf_cpu_map *map);
+LIBPERF_API struct perf_cpu_map *perf_cpu_map__merge(struct perf_cpu_map *orig,
+ struct perf_cpu_map *other);
LIBPERF_API void perf_cpu_map__put(struct perf_cpu_map *map);
LIBPERF_API int perf_cpu_map__cpu(const struct perf_cpu_map *cpus, int idx);
LIBPERF_API int perf_cpu_map__nr(const struct perf_cpu_map *cpus);
diff --git a/tools/perf/lib/include/perf/evsel.h b/tools/perf/lib/include/perf/evsel.h
index 557f5815a9c9..c82ec39a4ad0 100644
--- a/tools/perf/lib/include/perf/evsel.h
+++ b/tools/perf/lib/include/perf/evsel.h
@@ -26,10 +26,13 @@ LIBPERF_API void perf_evsel__delete(struct perf_evsel *evsel);
LIBPERF_API int perf_evsel__open(struct perf_evsel *evsel, struct perf_cpu_map *cpus,
struct perf_thread_map *threads);
LIBPERF_API void perf_evsel__close(struct perf_evsel *evsel);
+LIBPERF_API void perf_evsel__close_cpu(struct perf_evsel *evsel, int cpu);
LIBPERF_API int perf_evsel__read(struct perf_evsel *evsel, int cpu, int thread,
struct perf_counts_values *count);
LIBPERF_API int perf_evsel__enable(struct perf_evsel *evsel);
+LIBPERF_API int perf_evsel__enable_cpu(struct perf_evsel *evsel, int cpu);
LIBPERF_API int perf_evsel__disable(struct perf_evsel *evsel);
+LIBPERF_API int perf_evsel__disable_cpu(struct perf_evsel *evsel, int cpu);
LIBPERF_API struct perf_cpu_map *perf_evsel__cpus(struct perf_evsel *evsel);
LIBPERF_API struct perf_thread_map *perf_evsel__threads(struct perf_evsel *evsel);
LIBPERF_API struct perf_event_attr *perf_evsel__attr(struct perf_evsel *evsel);
diff --git a/tools/perf/tests/Build b/tools/perf/tests/Build
index a3c595fba943..1692529639b0 100644
--- a/tools/perf/tests/Build
+++ b/tools/perf/tests/Build
@@ -54,6 +54,7 @@ perf-y += unit_number__scnprintf.o
perf-y += mem2node.o
perf-y += maps.o
perf-y += time-utils-test.o
+perf-y += genelf.o
$(OUTPUT)tests/llvm-src-base.c: tests/bpf-script-example.c tests/Build
$(call rule_mkdir)
diff --git a/tools/perf/tests/builtin-test.c b/tools/perf/tests/builtin-test.c
index 7115aa32a51e..5f05db75cdd8 100644
--- a/tools/perf/tests/builtin-test.c
+++ b/tools/perf/tests/builtin-test.c
@@ -260,6 +260,11 @@ static struct test generic_tests[] = {
.func = test__cpu_map_print,
},
{
+ .desc = "Merge cpu map",
+ .func = test__cpu_map_merge,
+ },
+
+ {
.desc = "Probe SDT events",
.func = test__sdt_event,
},
@@ -297,6 +302,10 @@ static struct test generic_tests[] = {
.func = test__time_utils,
},
{
+ .desc = "Test jit_write_elf",
+ .func = test__jit_write_elf,
+ },
+ {
.desc = "maps__merge_in",
.func = test__maps__merge_in,
},
diff --git a/tools/perf/tests/cpumap.c b/tools/perf/tests/cpumap.c
index 8a0d236202b0..4ac56741ac5f 100644
--- a/tools/perf/tests/cpumap.c
+++ b/tools/perf/tests/cpumap.c
@@ -120,3 +120,19 @@ int test__cpu_map_print(struct test *test __maybe_unused, int subtest __maybe_un
TEST_ASSERT_VAL("failed to convert map", cpu_map_print("1-10,12-20,22-30,32-40"));
return 0;
}
+
+int test__cpu_map_merge(struct test *test __maybe_unused, int subtest __maybe_unused)
+{
+ struct perf_cpu_map *a = perf_cpu_map__new("4,2,1");
+ struct perf_cpu_map *b = perf_cpu_map__new("4,5,7");
+ struct perf_cpu_map *c = perf_cpu_map__merge(a, b);
+ char buf[100];
+
+ TEST_ASSERT_VAL("failed to merge map: bad nr", c->nr == 5);
+ cpu_map__snprint(c, buf, sizeof(buf));
+ TEST_ASSERT_VAL("failed to merge map: bad result", !strcmp(buf, "1-2,4-5,7"));
+ perf_cpu_map__put(a);
+ perf_cpu_map__put(b);
+ perf_cpu_map__put(c);
+ return 0;
+}
diff --git a/tools/perf/tests/event-times.c b/tools/perf/tests/event-times.c
index 1ee8704e2284..1e8a9f5c356d 100644
--- a/tools/perf/tests/event-times.c
+++ b/tools/perf/tests/event-times.c
@@ -125,7 +125,7 @@ static int attach__cpu_disabled(struct evlist *evlist)
evsel->core.attr.disabled = 1;
- err = perf_evsel__open_per_cpu(evsel, cpus);
+ err = perf_evsel__open_per_cpu(evsel, cpus, -1);
if (err) {
if (err == -EACCES)
return TEST_SKIP;
@@ -152,7 +152,7 @@ static int attach__cpu_enabled(struct evlist *evlist)
return -1;
}
- err = perf_evsel__open_per_cpu(evsel, cpus);
+ err = perf_evsel__open_per_cpu(evsel, cpus, -1);
if (err == -EACCES)
return TEST_SKIP;
diff --git a/tools/perf/tests/genelf.c b/tools/perf/tests/genelf.c
new file mode 100644
index 000000000000..f797f9823e89
--- /dev/null
+++ b/tools/perf/tests/genelf.c
@@ -0,0 +1,51 @@
+// SPDX-License-Identifier: GPL-2.0-only
+#include <limits.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <linux/compiler.h>
+
+#include "debug.h"
+#include "tests.h"
+
+#ifdef HAVE_JITDUMP
+#include <libelf.h>
+#include "../util/genelf.h"
+#endif
+
+#define TEMPL "/tmp/perf-test-XXXXXX"
+
+int test__jit_write_elf(struct test *test __maybe_unused,
+ int subtest __maybe_unused)
+{
+#ifdef HAVE_JITDUMP
+ static unsigned char x86_code[] = {
+ 0xBB, 0x2A, 0x00, 0x00, 0x00, /* movl $42, %ebx */
+ 0xB8, 0x01, 0x00, 0x00, 0x00, /* movl $1, %eax */
+ 0xCD, 0x80 /* int $0x80 */
+ };
+ char path[PATH_MAX];
+ int fd, ret;
+
+ strcpy(path, TEMPL);
+
+ fd = mkstemp(path);
+ if (fd < 0) {
+ perror("mkstemp failed");
+ return TEST_FAIL;
+ }
+
+ pr_info("Writing jit code to: %s\n", path);
+
+ ret = jit_write_elf(fd, 0, "main", x86_code, sizeof(x86_code),
+ NULL, 0, NULL, 0, 0);
+ close(fd);
+
+ unlink(path);
+
+ return ret ? TEST_FAIL : 0;
+#else
+ return TEST_SKIP;
+#endif
+}
diff --git a/tools/perf/tests/tests.h b/tools/perf/tests/tests.h
index 25aea387e2bf..9a160fef47c9 100644
--- a/tools/perf/tests/tests.h
+++ b/tools/perf/tests/tests.h
@@ -98,6 +98,7 @@ int test__event_update(struct test *test, int subtest);
int test__event_times(struct test *test, int subtest);
int test__backward_ring_buffer(struct test *test, int subtest);
int test__cpu_map_print(struct test *test, int subtest);
+int test__cpu_map_merge(struct test *test, int subtest);
int test__sdt_event(struct test *test, int subtest);
int test__is_printable_array(struct test *test, int subtest);
int test__bitmap_print(struct test *test, int subtest);
@@ -109,6 +110,7 @@ int test__unit_number__scnprint(struct test *test, int subtest);
int test__mem2node(struct test *t, int subtest);
int test__maps__merge_in(struct test *t, int subtest);
int test__time_utils(struct test *t, int subtest);
+int test__jit_write_elf(struct test *test, int subtest);
bool test__bp_signal_is_supported(void);
bool test__bp_account_is_supported(void);
diff --git a/tools/perf/trace/beauty/clone.c b/tools/perf/trace/beauty/clone.c
index 1a8d3be2030e..062ca849c8fd 100644
--- a/tools/perf/trace/beauty/clone.c
+++ b/tools/perf/trace/beauty/clone.c
@@ -45,6 +45,7 @@ static size_t clone__scnprintf_flags(unsigned long flags, char *bf, size_t size,
P_FLAG(NEWPID);
P_FLAG(NEWNET);
P_FLAG(IO);
+ P_FLAG(CLEAR_SIGHAND);
#undef P_FLAG
if (flags)
diff --git a/tools/perf/util/cpumap.h b/tools/perf/util/cpumap.h
index 57943f3685f8..3a442f021468 100644
--- a/tools/perf/util/cpumap.h
+++ b/tools/perf/util/cpumap.h
@@ -63,4 +63,5 @@ int cpu_map__build_map(struct perf_cpu_map *cpus, struct perf_cpu_map **res,
int cpu_map__cpu(struct perf_cpu_map *cpus, int idx);
bool cpu_map__has(struct perf_cpu_map *cpus, int cpu);
+
#endif /* __PERF_CPUMAP_H */
diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c
index fdce590d2278..1548237b6558 100644
--- a/tools/perf/util/evlist.c
+++ b/tools/perf/util/evlist.c
@@ -18,6 +18,7 @@
#include "debug.h"
#include "units.h"
#include <internal/lib.h> // page_size
+#include "affinity.h"
#include "../perf.h"
#include "asm/bug.h"
#include "bpf-event.h"
@@ -342,14 +343,63 @@ static int perf_evlist__nr_threads(struct evlist *evlist,
return perf_thread_map__nr(evlist->core.threads);
}
+void evlist__cpu_iter_start(struct evlist *evlist)
+{
+ struct evsel *pos;
+
+ /*
+ * Reset the per evsel cpu_iter. This is needed because
+ * each evsel's cpumap may have a different index space,
+ * and some operations need the index to modify
+ * the FD xyarray (e.g. open, close)
+ */
+ evlist__for_each_entry(evlist, pos)
+ pos->cpu_iter = 0;
+}
+
+bool evsel__cpu_iter_skip_no_inc(struct evsel *ev, int cpu)
+{
+ if (ev->cpu_iter >= ev->core.cpus->nr)
+ return true;
+ if (cpu >= 0 && ev->core.cpus->map[ev->cpu_iter] != cpu)
+ return true;
+ return false;
+}
+
+bool evsel__cpu_iter_skip(struct evsel *ev, int cpu)
+{
+ if (!evsel__cpu_iter_skip_no_inc(ev, cpu)) {
+ ev->cpu_iter++;
+ return false;
+ }
+ return true;
+}
+
void evlist__disable(struct evlist *evlist)
{
struct evsel *pos;
+ struct affinity affinity;
+ int cpu, i;
+
+ if (affinity__setup(&affinity) < 0)
+ return;
+ evlist__for_each_cpu(evlist, i, cpu) {
+ affinity__set(&affinity, cpu);
+
+ evlist__for_each_entry(evlist, pos) {
+ if (evsel__cpu_iter_skip(pos, cpu))
+ continue;
+ if (pos->disabled || !perf_evsel__is_group_leader(pos) || !pos->core.fd)
+ continue;
+ evsel__disable_cpu(pos, pos->cpu_iter - 1);
+ }
+ }
+ affinity__cleanup(&affinity);
evlist__for_each_entry(evlist, pos) {
- if (pos->disabled || !perf_evsel__is_group_leader(pos) || !pos->core.fd)
+ if (!perf_evsel__is_group_leader(pos) || !pos->core.fd)
continue;
- evsel__disable(pos);
+ pos->disabled = true;
}
evlist->enabled = false;
@@ -358,11 +408,28 @@ void evlist__disable(struct evlist *evlist)
void evlist__enable(struct evlist *evlist)
{
struct evsel *pos;
+ struct affinity affinity;
+ int cpu, i;
+
+ if (affinity__setup(&affinity) < 0)
+ return;
+ evlist__for_each_cpu(evlist, i, cpu) {
+ affinity__set(&affinity, cpu);
+
+ evlist__for_each_entry(evlist, pos) {
+ if (evsel__cpu_iter_skip(pos, cpu))
+ continue;
+ if (!perf_evsel__is_group_leader(pos) || !pos->core.fd)
+ continue;
+ evsel__enable_cpu(pos, pos->cpu_iter - 1);
+ }
+ }
+ affinity__cleanup(&affinity);
evlist__for_each_entry(evlist, pos) {
if (!perf_evsel__is_group_leader(pos) || !pos->core.fd)
continue;
- evsel__enable(pos);
+ pos->disabled = false;
}
evlist->enabled = true;
@@ -1137,9 +1204,35 @@ void perf_evlist__set_selected(struct evlist *evlist,
void evlist__close(struct evlist *evlist)
{
struct evsel *evsel;
+ struct affinity affinity;
+ int cpu, i;
- evlist__for_each_entry_reverse(evlist, evsel)
- evsel__close(evsel);
+ /*
+ * With perf record core.cpus is usually NULL.
+ * Use the old method to handle this for now.
+ */
+ if (!evlist->core.cpus) {
+ evlist__for_each_entry_reverse(evlist, evsel)
+ evsel__close(evsel);
+ return;
+ }
+
+ if (affinity__setup(&affinity) < 0)
+ return;
+ evlist__for_each_cpu(evlist, i, cpu) {
+ affinity__set(&affinity, cpu);
+
+ evlist__for_each_entry_reverse(evlist, evsel) {
+ if (evsel__cpu_iter_skip(evsel, cpu))
+ continue;
+ perf_evsel__close_cpu(&evsel->core, evsel->cpu_iter - 1);
+ }
+ }
+ affinity__cleanup(&affinity);
+ evlist__for_each_entry_reverse(evlist, evsel) {
+ perf_evsel__free_fd(&evsel->core);
+ perf_evsel__free_id(&evsel->core);
+ }
}
static int perf_evlist__create_syswide_maps(struct evlist *evlist)
@@ -1577,7 +1670,8 @@ void perf_evlist__force_leader(struct evlist *evlist)
}
struct evsel *perf_evlist__reset_weak_group(struct evlist *evsel_list,
- struct evsel *evsel)
+ struct evsel *evsel,
+ bool close)
{
struct evsel *c2, *leader;
bool is_open = true;
@@ -1594,10 +1688,15 @@ struct evsel *perf_evlist__reset_weak_group(struct evlist *evsel_list,
if (c2 == evsel)
is_open = false;
if (c2->leader == leader) {
- if (is_open)
+ if (is_open && close)
perf_evsel__close(&c2->core);
c2->leader = c2;
c2->core.nr_members = 0;
+ /*
+ * Set this for all former members of the group
+ * to indicate they get reopened.
+ */
+ c2->reset_group = true;
}
}
return leader;
diff --git a/tools/perf/util/evlist.h b/tools/perf/util/evlist.h
index 3655b9ebb147..f5bd5c386df1 100644
--- a/tools/perf/util/evlist.h
+++ b/tools/perf/util/evlist.h
@@ -334,9 +334,17 @@ void perf_evlist__to_front(struct evlist *evlist,
#define evlist__for_each_entry_safe(evlist, tmp, evsel) \
__evlist__for_each_entry_safe(&(evlist)->core.entries, tmp, evsel)
+#define evlist__for_each_cpu(evlist, index, cpu) \
+ evlist__cpu_iter_start(evlist); \
+ perf_cpu_map__for_each_cpu (cpu, index, (evlist)->core.all_cpus)
+
void perf_evlist__set_tracking_event(struct evlist *evlist,
struct evsel *tracking_evsel);
+void evlist__cpu_iter_start(struct evlist *evlist);
+bool evsel__cpu_iter_skip(struct evsel *ev, int cpu);
+bool evsel__cpu_iter_skip_no_inc(struct evsel *ev, int cpu);
+
struct evsel *
perf_evlist__find_evsel_by_str(struct evlist *evlist, const char *str);
@@ -348,5 +356,6 @@ bool perf_evlist__exclude_kernel(struct evlist *evlist);
void perf_evlist__force_leader(struct evlist *evlist);
struct evsel *perf_evlist__reset_weak_group(struct evlist *evlist,
- struct evsel *evsel);
+ struct evsel *evsel,
+ bool close);
#endif /* __PERF_EVLIST_H */
diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
index f4dea055b080..a69e64236120 100644
--- a/tools/perf/util/evsel.c
+++ b/tools/perf/util/evsel.c
@@ -1223,16 +1223,27 @@ int perf_evsel__append_addr_filter(struct evsel *evsel, const char *filter)
return perf_evsel__append_filter(evsel, "%s,%s", filter);
}
+/* Caller has to clear disabled after going through all CPUs. */
+int evsel__enable_cpu(struct evsel *evsel, int cpu)
+{
+ return perf_evsel__enable_cpu(&evsel->core, cpu);
+}
+
int evsel__enable(struct evsel *evsel)
{
int err = perf_evsel__enable(&evsel->core);
if (!err)
evsel->disabled = false;
-
return err;
}
+/* Caller has to set disabled after going through all CPUs. */
+int evsel__disable_cpu(struct evsel *evsel, int cpu)
+{
+ return perf_evsel__disable_cpu(&evsel->core, cpu);
+}
+
int evsel__disable(struct evsel *evsel)
{
int err = perf_evsel__disable(&evsel->core);
@@ -1587,8 +1598,9 @@ static int perf_event_open(struct evsel *evsel,
return fd;
}
-int evsel__open(struct evsel *evsel, struct perf_cpu_map *cpus,
- struct perf_thread_map *threads)
+static int evsel__open_cpu(struct evsel *evsel, struct perf_cpu_map *cpus,
+ struct perf_thread_map *threads,
+ int start_cpu, int end_cpu)
{
int cpu, thread, nthreads;
unsigned long flags = PERF_FLAG_FD_CLOEXEC;
@@ -1665,7 +1677,7 @@ retry_sample_id:
display_attr(&evsel->core.attr);
- for (cpu = 0; cpu < cpus->nr; cpu++) {
+ for (cpu = start_cpu; cpu < end_cpu; cpu++) {
for (thread = 0; thread < nthreads; thread++) {
int fd, group_fd;
@@ -1843,6 +1855,12 @@ out_close:
return err;
}
+int evsel__open(struct evsel *evsel, struct perf_cpu_map *cpus,
+ struct perf_thread_map *threads)
+{
+ return evsel__open_cpu(evsel, cpus, threads, 0, cpus ? cpus->nr : 1);
+}
+
void evsel__close(struct evsel *evsel)
{
perf_evsel__close(&evsel->core);
@@ -1850,9 +1868,14 @@ void evsel__close(struct evsel *evsel)
}
int perf_evsel__open_per_cpu(struct evsel *evsel,
- struct perf_cpu_map *cpus)
+ struct perf_cpu_map *cpus,
+ int cpu)
{
- return evsel__open(evsel, cpus, NULL);
+ if (cpu == -1)
+ return evsel__open_cpu(evsel, cpus, NULL, 0,
+ cpus ? cpus->nr : 1);
+
+ return evsel__open_cpu(evsel, cpus, NULL, cpu, cpu + 1);
}
int perf_evsel__open_per_thread(struct evsel *evsel,
diff --git a/tools/perf/util/evsel.h b/tools/perf/util/evsel.h
index ddc5ee6f6592..dc14f4a823cd 100644
--- a/tools/perf/util/evsel.h
+++ b/tools/perf/util/evsel.h
@@ -86,6 +86,7 @@ struct evsel {
struct list_head config_terms;
struct bpf_object *bpf_obj;
int bpf_fd;
+ int err;
bool auto_merge_stats;
bool merged_stat;
const char * metric_expr;
@@ -94,7 +95,10 @@ struct evsel {
struct evsel *metric_leader;
bool collect_stat;
bool weak_group;
+ bool reset_group;
+ bool errored;
bool percore;
+ int cpu_iter;
const char *pmu_name;
struct {
perf_evsel__sb_cb_t *cb;
@@ -218,11 +222,14 @@ int perf_evsel__set_filter(struct evsel *evsel, const char *filter);
int perf_evsel__append_tp_filter(struct evsel *evsel, const char *filter);
int perf_evsel__append_addr_filter(struct evsel *evsel,
const char *filter);
+int evsel__enable_cpu(struct evsel *evsel, int cpu);
int evsel__enable(struct evsel *evsel);
int evsel__disable(struct evsel *evsel);
+int evsel__disable_cpu(struct evsel *evsel, int cpu);
int perf_evsel__open_per_cpu(struct evsel *evsel,
- struct perf_cpu_map *cpus);
+ struct perf_cpu_map *cpus,
+ int cpu);
int perf_evsel__open_per_thread(struct evsel *evsel,
struct perf_thread_map *threads);
int evsel__open(struct evsel *evsel, struct perf_cpu_map *cpus,
diff --git a/tools/perf/util/genelf.c b/tools/perf/util/genelf.c
index f9f18b8b1df9..aed49806a09b 100644
--- a/tools/perf/util/genelf.c
+++ b/tools/perf/util/genelf.c
@@ -8,15 +8,12 @@
*/
#include <sys/types.h>
-#include <stdio.h>
-#include <getopt.h>
#include <stddef.h>
#include <libelf.h>
#include <string.h>
#include <stdlib.h>
#include <unistd.h>
#include <inttypes.h>
-#include <limits.h>
#include <fcntl.h>
#include <err.h>
#ifdef HAVE_DWARF_SUPPORT
@@ -31,8 +28,6 @@
#define NT_GNU_BUILD_ID 3
#endif
-#define JVMTI
-
#define BUILD_ID_URANDOM /* different uuid for each run */
#ifdef HAVE_LIBCRYPTO
@@ -511,44 +506,3 @@ error:
return retval;
}
-
-#ifndef JVMTI
-
-static unsigned char x86_code[] = {
- 0xBB, 0x2A, 0x00, 0x00, 0x00, /* movl $42, %ebx */
- 0xB8, 0x01, 0x00, 0x00, 0x00, /* movl $1, %eax */
- 0xCD, 0x80 /* int $0x80 */
-};
-
-static struct options options;
-
-int main(int argc, char **argv)
-{
- int c, fd, ret;
-
- while ((c = getopt(argc, argv, "o:h")) != -1) {
- switch (c) {
- case 'o':
- options.output = optarg;
- break;
- case 'h':
- printf("Usage: genelf -o output_file [-h]\n");
- return 0;
- default:
- errx(1, "unknown option");
- }
- }
-
- fd = open(options.output, O_CREAT|O_TRUNC|O_RDWR, 0666);
- if (fd == -1)
- err(1, "cannot create file %s", options.output);
-
- ret = jit_write_elf(fd, "main", x86_code, sizeof(x86_code));
- close(fd);
-
- if (ret != 0)
- unlink(options.output);
-
- return ret;
-}
-#endif
diff --git a/tools/perf/util/include/linux/linkage.h b/tools/perf/util/include/linux/linkage.h
index f01d48a8d707..b8a5159361b4 100644
--- a/tools/perf/util/include/linux/linkage.h
+++ b/tools/perf/util/include/linux/linkage.h
@@ -5,10 +5,93 @@
/* linkage.h ... for including arch/x86/lib/memcpy_64.S */
-#define ENTRY(name) \
- .globl name; \
+/* Some toolchains use other characters (e.g. '`') to mark new line in macro */
+#ifndef ASM_NL
+#define ASM_NL ;
+#endif
+
+#ifndef __ALIGN
+#define __ALIGN .align 4,0x90
+#define __ALIGN_STR ".align 4,0x90"
+#endif
+
+/* SYM_T_FUNC -- type used by assembler to mark functions */
+#ifndef SYM_T_FUNC
+#define SYM_T_FUNC STT_FUNC
+#endif
+
+/* SYM_A_* -- align the symbol? */
+#define SYM_A_ALIGN ALIGN
+
+/* SYM_L_* -- linkage of symbols */
+#define SYM_L_GLOBAL(name) .globl name
+#define SYM_L_LOCAL(name) /* nothing */
+
+#define ALIGN __ALIGN
+
+/* === generic annotations === */
+
+/* SYM_ENTRY -- use only if you have to for non-paired symbols */
+#ifndef SYM_ENTRY
+#define SYM_ENTRY(name, linkage, align...) \
+ linkage(name) ASM_NL \
+ align ASM_NL \
name:
+#endif
+
+/* SYM_START -- use only if you have to */
+#ifndef SYM_START
+#define SYM_START(name, linkage, align...) \
+ SYM_ENTRY(name, linkage, align)
+#endif
+
+/* SYM_END -- use only if you have to */
+#ifndef SYM_END
+#define SYM_END(name, sym_type) \
+ .type name sym_type ASM_NL \
+ .size name, .-name
+#endif
+
+/*
+ * SYM_FUNC_START_ALIAS -- use where there are two global names for one
+ * function
+ */
+#ifndef SYM_FUNC_START_ALIAS
+#define SYM_FUNC_START_ALIAS(name) \
+ SYM_START(name, SYM_L_GLOBAL, SYM_A_ALIGN)
+#endif
+
+/* SYM_FUNC_START -- use for global functions */
+#ifndef SYM_FUNC_START
+/*
+ * The same as SYM_FUNC_START_ALIAS, but we will need to distinguish these two
+ * later.
+ */
+#define SYM_FUNC_START(name) \
+ SYM_START(name, SYM_L_GLOBAL, SYM_A_ALIGN)
+#endif
+
+/* SYM_FUNC_START_LOCAL -- use for local functions */
+#ifndef SYM_FUNC_START_LOCAL
+/* the same as SYM_FUNC_START_LOCAL_ALIAS, see comment near SYM_FUNC_START */
+#define SYM_FUNC_START_LOCAL(name) \
+ SYM_START(name, SYM_L_LOCAL, SYM_A_ALIGN)
+#endif
+
+/* SYM_FUNC_END_ALIAS -- the end of LOCAL_ALIASed or ALIASed function */
+#ifndef SYM_FUNC_END_ALIAS
+#define SYM_FUNC_END_ALIAS(name) \
+ SYM_END(name, SYM_T_FUNC)
+#endif
-#define ENDPROC(name)
+/*
+ * SYM_FUNC_END -- the end of SYM_FUNC_START_LOCAL, SYM_FUNC_START,
+ * SYM_FUNC_START_WEAK, ...
+ */
+#ifndef SYM_FUNC_END
+/* the same as SYM_FUNC_END_ALIAS, see comment near SYM_FUNC_START */
+#define SYM_FUNC_END(name) \
+ SYM_END(name, SYM_T_FUNC)
+#endif
#endif /* PERF_LINUX_LINKAGE_H_ */
diff --git a/tools/perf/util/machine.c b/tools/perf/util/machine.c
index 416d174d223c..c8c5410315e8 100644
--- a/tools/perf/util/machine.c
+++ b/tools/perf/util/machine.c
@@ -2446,6 +2446,7 @@ static int append_inlines(struct callchain_cursor *cursor, struct map_symbol *ms
list_for_each_entry(ilist, &inline_node->val, list) {
struct map_symbol ilist_ms = {
+ .maps = ms->maps,
.map = map,
.sym = ilist->symbol,
};
diff --git a/tools/perf/util/stat.c b/tools/perf/util/stat.c
index 332cb730785b..5f26137b8d60 100644
--- a/tools/perf/util/stat.c
+++ b/tools/perf/util/stat.c
@@ -464,7 +464,8 @@ size_t perf_event__fprintf_stat_config(union perf_event *event, FILE *fp)
int create_perf_stat_counter(struct evsel *evsel,
struct perf_stat_config *config,
- struct target *target)
+ struct target *target,
+ int cpu)
{
struct perf_event_attr *attr = &evsel->core.attr;
struct evsel *leader = evsel->leader;
@@ -518,7 +519,7 @@ int create_perf_stat_counter(struct evsel *evsel,
}
if (target__has_cpu(target) && !target__has_per_thread(target))
- return perf_evsel__open_per_cpu(evsel, evsel__cpus(evsel));
+ return perf_evsel__open_per_cpu(evsel, evsel__cpus(evsel), cpu);
return perf_evsel__open_per_thread(evsel, evsel->core.threads);
}
diff --git a/tools/perf/util/stat.h b/tools/perf/util/stat.h
index bfa9aaf36ce6..fb990efa54a8 100644
--- a/tools/perf/util/stat.h
+++ b/tools/perf/util/stat.h
@@ -214,7 +214,8 @@ size_t perf_event__fprintf_stat_config(union perf_event *event, FILE *fp);
int create_perf_stat_counter(struct evsel *evsel,
struct perf_stat_config *config,
- struct target *target);
+ struct target *target,
+ int cpu);
void
perf_evlist__print_counters(struct evlist *evlist,
struct perf_stat_config *config,