summaryrefslogtreecommitdiff
path: root/tools/perf/util/synthetic-events.c
diff options
context:
space:
mode:
Diffstat (limited to 'tools/perf/util/synthetic-events.c')
-rw-r--r--tools/perf/util/synthetic-events.c181
1 files changed, 129 insertions, 52 deletions
diff --git a/tools/perf/util/synthetic-events.c b/tools/perf/util/synthetic-events.c
index 5498048f56ea..a58444c4aed1 100644
--- a/tools/perf/util/synthetic-events.c
+++ b/tools/perf/util/synthetic-events.c
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0-only
+// SPDX-License-Identifier: GPL-2.0-only
#include "util/cgroup.h"
#include "util/data.h"
@@ -47,7 +47,7 @@
unsigned int proc_map_timeout = DEFAULT_PROC_MAP_PARSE_TIMEOUT;
-int perf_tool__process_synth_event(struct perf_tool *tool,
+int perf_tool__process_synth_event(const struct perf_tool *tool,
union perf_event *event,
struct machine *machine,
perf_event__handler_t process)
@@ -187,7 +187,7 @@ static int perf_event__prepare_comm(union perf_event *event, pid_t pid, pid_t ti
return 0;
}
-pid_t perf_event__synthesize_comm(struct perf_tool *tool,
+pid_t perf_event__synthesize_comm(const struct perf_tool *tool,
union perf_event *event, pid_t pid,
perf_event__handler_t process,
struct machine *machine)
@@ -218,7 +218,7 @@ static void perf_event__get_ns_link_info(pid_t pid, const char *ns,
}
}
-int perf_event__synthesize_namespaces(struct perf_tool *tool,
+int perf_event__synthesize_namespaces(const struct perf_tool *tool,
union perf_event *event,
pid_t pid, pid_t tgid,
perf_event__handler_t process,
@@ -257,7 +257,7 @@ int perf_event__synthesize_namespaces(struct perf_tool *tool,
return 0;
}
-static int perf_event__synthesize_fork(struct perf_tool *tool,
+static int perf_event__synthesize_fork(const struct perf_tool *tool,
union perf_event *event,
pid_t pid, pid_t tgid, pid_t ppid,
perf_event__handler_t process,
@@ -418,7 +418,7 @@ out:
dso__put(dso);
}
-int perf_event__synthesize_mmap_events(struct perf_tool *tool,
+int perf_event__synthesize_mmap_events(const struct perf_tool *tool,
union perf_event *event,
pid_t pid, pid_t tgid,
perf_event__handler_t process,
@@ -542,7 +542,7 @@ out:
}
#ifdef HAVE_FILE_HANDLE
-static int perf_event__synthesize_cgroup(struct perf_tool *tool,
+static int perf_event__synthesize_cgroup(const struct perf_tool *tool,
union perf_event *event,
char *path, size_t mount_len,
perf_event__handler_t process,
@@ -582,7 +582,7 @@ static int perf_event__synthesize_cgroup(struct perf_tool *tool,
return 0;
}
-static int perf_event__walk_cgroup_tree(struct perf_tool *tool,
+static int perf_event__walk_cgroup_tree(const struct perf_tool *tool,
union perf_event *event,
char *path, size_t mount_len,
perf_event__handler_t process,
@@ -630,7 +630,7 @@ static int perf_event__walk_cgroup_tree(struct perf_tool *tool,
return ret;
}
-int perf_event__synthesize_cgroups(struct perf_tool *tool,
+int perf_event__synthesize_cgroups(const struct perf_tool *tool,
perf_event__handler_t process,
struct machine *machine)
{
@@ -657,7 +657,7 @@ int perf_event__synthesize_cgroups(struct perf_tool *tool,
return 0;
}
#else
-int perf_event__synthesize_cgroups(struct perf_tool *tool __maybe_unused,
+int perf_event__synthesize_cgroups(const struct perf_tool *tool __maybe_unused,
perf_event__handler_t process __maybe_unused,
struct machine *machine __maybe_unused)
{
@@ -666,7 +666,7 @@ int perf_event__synthesize_cgroups(struct perf_tool *tool __maybe_unused,
#endif
struct perf_event__synthesize_modules_maps_cb_args {
- struct perf_tool *tool;
+ const struct perf_tool *tool;
perf_event__handler_t process;
struct machine *machine;
union perf_event *event;
@@ -717,7 +717,7 @@ static int perf_event__synthesize_modules_maps_cb(struct map *map, void *data)
return 0;
}
-int perf_event__synthesize_modules(struct perf_tool *tool, perf_event__handler_t process,
+int perf_event__synthesize_modules(const struct perf_tool *tool, perf_event__handler_t process,
struct machine *machine)
{
int rc;
@@ -763,7 +763,7 @@ static int __event__synthesize_thread(union perf_event *comm_event,
union perf_event *fork_event,
union perf_event *namespaces_event,
pid_t pid, int full, perf_event__handler_t process,
- struct perf_tool *tool, struct machine *machine,
+ const struct perf_tool *tool, struct machine *machine,
bool needs_mmap, bool mmap_data)
{
char filename[PATH_MAX];
@@ -852,7 +852,7 @@ static int __event__synthesize_thread(union perf_event *comm_event,
return rc;
}
-int perf_event__synthesize_thread_map(struct perf_tool *tool,
+int perf_event__synthesize_thread_map(const struct perf_tool *tool,
struct perf_thread_map *threads,
perf_event__handler_t process,
struct machine *machine,
@@ -929,7 +929,7 @@ out:
return err;
}
-static int __perf_event__synthesize_threads(struct perf_tool *tool,
+static int __perf_event__synthesize_threads(const struct perf_tool *tool,
perf_event__handler_t process,
struct machine *machine,
bool needs_mmap,
@@ -993,7 +993,7 @@ out:
}
struct synthesize_threads_arg {
- struct perf_tool *tool;
+ const struct perf_tool *tool;
perf_event__handler_t process;
struct machine *machine;
bool needs_mmap;
@@ -1015,7 +1015,7 @@ static void *synthesize_threads_worker(void *arg)
return NULL;
}
-int perf_event__synthesize_threads(struct perf_tool *tool,
+int perf_event__synthesize_threads(const struct perf_tool *tool,
perf_event__handler_t process,
struct machine *machine,
bool needs_mmap, bool mmap_data,
@@ -1104,14 +1104,14 @@ free_dirent:
return err;
}
-int __weak perf_event__synthesize_extra_kmaps(struct perf_tool *tool __maybe_unused,
+int __weak perf_event__synthesize_extra_kmaps(const struct perf_tool *tool __maybe_unused,
perf_event__handler_t process __maybe_unused,
struct machine *machine __maybe_unused)
{
return 0;
}
-static int __perf_event__synthesize_kernel_mmap(struct perf_tool *tool,
+static int __perf_event__synthesize_kernel_mmap(const struct perf_tool *tool,
perf_event__handler_t process,
struct machine *machine)
{
@@ -1183,7 +1183,7 @@ static int __perf_event__synthesize_kernel_mmap(struct perf_tool *tool,
return err;
}
-int perf_event__synthesize_kernel_mmap(struct perf_tool *tool,
+int perf_event__synthesize_kernel_mmap(const struct perf_tool *tool,
perf_event__handler_t process,
struct machine *machine)
{
@@ -1196,7 +1196,7 @@ int perf_event__synthesize_kernel_mmap(struct perf_tool *tool,
return perf_event__synthesize_extra_kmaps(tool, process, machine);
}
-int perf_event__synthesize_thread_map2(struct perf_tool *tool,
+int perf_event__synthesize_thread_map2(const struct perf_tool *tool,
struct perf_thread_map *threads,
perf_event__handler_t process,
struct machine *machine)
@@ -1346,7 +1346,7 @@ static struct perf_record_cpu_map *cpu_map_event__new(const struct perf_cpu_map
}
-int perf_event__synthesize_cpu_map(struct perf_tool *tool,
+int perf_event__synthesize_cpu_map(const struct perf_tool *tool,
const struct perf_cpu_map *map,
perf_event__handler_t process,
struct machine *machine)
@@ -1364,7 +1364,7 @@ int perf_event__synthesize_cpu_map(struct perf_tool *tool,
return err;
}
-int perf_event__synthesize_stat_config(struct perf_tool *tool,
+int perf_event__synthesize_stat_config(const struct perf_tool *tool,
struct perf_stat_config *config,
perf_event__handler_t process,
struct machine *machine)
@@ -1403,7 +1403,7 @@ int perf_event__synthesize_stat_config(struct perf_tool *tool,
return err;
}
-int perf_event__synthesize_stat(struct perf_tool *tool,
+int perf_event__synthesize_stat(const struct perf_tool *tool,
struct perf_cpu cpu, u32 thread, u64 id,
struct perf_counts_values *count,
perf_event__handler_t process,
@@ -1425,7 +1425,7 @@ int perf_event__synthesize_stat(struct perf_tool *tool,
return process(tool, (union perf_event *) &event, NULL, machine);
}
-int perf_event__synthesize_stat_round(struct perf_tool *tool,
+int perf_event__synthesize_stat_round(const struct perf_tool *tool,
u64 evtime, u64 type,
perf_event__handler_t process,
struct machine *machine)
@@ -1826,7 +1826,7 @@ int perf_event__synthesize_id_sample(__u64 *array, u64 type, const struct perf_s
return (void *)array - (void *)start;
}
-int __perf_event__synthesize_id_index(struct perf_tool *tool, perf_event__handler_t process,
+int __perf_event__synthesize_id_index(const struct perf_tool *tool, perf_event__handler_t process,
struct evlist *evlist, struct machine *machine, size_t from)
{
union perf_event *ev;
@@ -1918,13 +1918,13 @@ out_err:
return err;
}
-int perf_event__synthesize_id_index(struct perf_tool *tool, perf_event__handler_t process,
+int perf_event__synthesize_id_index(const struct perf_tool *tool, perf_event__handler_t process,
struct evlist *evlist, struct machine *machine)
{
return __perf_event__synthesize_id_index(tool, process, evlist, machine, 0);
}
-int __machine__synthesize_threads(struct machine *machine, struct perf_tool *tool,
+int __machine__synthesize_threads(struct machine *machine, const struct perf_tool *tool,
struct target *target, struct perf_thread_map *threads,
perf_event__handler_t process, bool needs_mmap,
bool data_mmap, unsigned int nr_threads_synthesize)
@@ -1985,7 +1985,7 @@ static struct perf_record_event_update *event_update_event__new(size_t size, u64
return ev;
}
-int perf_event__synthesize_event_update_unit(struct perf_tool *tool, struct evsel *evsel,
+int perf_event__synthesize_event_update_unit(const struct perf_tool *tool, struct evsel *evsel,
perf_event__handler_t process)
{
size_t size = strlen(evsel->unit);
@@ -2002,7 +2002,7 @@ int perf_event__synthesize_event_update_unit(struct perf_tool *tool, struct evse
return err;
}
-int perf_event__synthesize_event_update_scale(struct perf_tool *tool, struct evsel *evsel,
+int perf_event__synthesize_event_update_scale(const struct perf_tool *tool, struct evsel *evsel,
perf_event__handler_t process)
{
struct perf_record_event_update *ev;
@@ -2019,7 +2019,7 @@ int perf_event__synthesize_event_update_scale(struct perf_tool *tool, struct evs
return err;
}
-int perf_event__synthesize_event_update_name(struct perf_tool *tool, struct evsel *evsel,
+int perf_event__synthesize_event_update_name(const struct perf_tool *tool, struct evsel *evsel,
perf_event__handler_t process)
{
struct perf_record_event_update *ev;
@@ -2036,7 +2036,7 @@ int perf_event__synthesize_event_update_name(struct perf_tool *tool, struct evse
return err;
}
-int perf_event__synthesize_event_update_cpus(struct perf_tool *tool, struct evsel *evsel,
+int perf_event__synthesize_event_update_cpus(const struct perf_tool *tool, struct evsel *evsel,
perf_event__handler_t process)
{
struct synthesize_cpu_map_data syn_data = { .map = evsel->core.own_cpus };
@@ -2059,7 +2059,7 @@ int perf_event__synthesize_event_update_cpus(struct perf_tool *tool, struct evse
return err;
}
-int perf_event__synthesize_attrs(struct perf_tool *tool, struct evlist *evlist,
+int perf_event__synthesize_attrs(const struct perf_tool *tool, struct evlist *evlist,
perf_event__handler_t process)
{
struct evsel *evsel;
@@ -2087,7 +2087,7 @@ static bool has_scale(struct evsel *evsel)
return evsel->scale != 1;
}
-int perf_event__synthesize_extra_attr(struct perf_tool *tool, struct evlist *evsel_list,
+int perf_event__synthesize_extra_attr(const struct perf_tool *tool, struct evlist *evsel_list,
perf_event__handler_t process, bool is_pipe)
{
struct evsel *evsel;
@@ -2143,7 +2143,7 @@ int perf_event__synthesize_extra_attr(struct perf_tool *tool, struct evlist *evs
return 0;
}
-int perf_event__synthesize_attr(struct perf_tool *tool, struct perf_event_attr *attr,
+int perf_event__synthesize_attr(const struct perf_tool *tool, struct perf_event_attr *attr,
u32 ids, u64 *id, perf_event__handler_t process)
{
union perf_event *ev;
@@ -2177,7 +2177,7 @@ int perf_event__synthesize_attr(struct perf_tool *tool, struct perf_event_attr *
}
#ifdef HAVE_LIBTRACEEVENT
-int perf_event__synthesize_tracing_data(struct perf_tool *tool, int fd, struct evlist *evlist,
+int perf_event__synthesize_tracing_data(const struct perf_tool *tool, int fd, struct evlist *evlist,
perf_event__handler_t process)
{
union perf_event ev;
@@ -2200,7 +2200,7 @@ int perf_event__synthesize_tracing_data(struct perf_tool *tool, int fd, struct e
if (!tdata)
return -1;
- memset(&ev, 0, sizeof(ev));
+ memset(&ev, 0, sizeof(ev.tracing_data));
ev.tracing_data.header.type = PERF_RECORD_HEADER_TRACING_DATA;
size = tdata->size;
@@ -2225,31 +2225,108 @@ int perf_event__synthesize_tracing_data(struct perf_tool *tool, int fd, struct e
}
#endif
-int perf_event__synthesize_build_id(struct perf_tool *tool, struct dso *pos, u16 misc,
- perf_event__handler_t process, struct machine *machine)
+int perf_event__synthesize_build_id(const struct perf_tool *tool,
+ struct perf_sample *sample,
+ struct machine *machine,
+ perf_event__handler_t process,
+ const struct evsel *evsel,
+ __u16 misc,
+ const struct build_id *bid,
+ const char *filename)
{
union perf_event ev;
size_t len;
- if (!dso__hit(pos))
- return 0;
+ len = sizeof(ev.build_id) + strlen(filename) + 1;
+ len = PERF_ALIGN(len, sizeof(u64));
- memset(&ev, 0, sizeof(ev));
+ memset(&ev, 0, len);
- len = dso__long_name_len(pos) + 1;
- len = PERF_ALIGN(len, NAME_ALIGN);
- ev.build_id.size = min(dso__bid(pos)->size, sizeof(dso__bid(pos)->data));
- memcpy(&ev.build_id.build_id, dso__bid(pos)->data, ev.build_id.size);
+ ev.build_id.size = min(bid->size, sizeof(ev.build_id.build_id));
+ memcpy(ev.build_id.build_id, bid->data, ev.build_id.size);
ev.build_id.header.type = PERF_RECORD_HEADER_BUILD_ID;
ev.build_id.header.misc = misc | PERF_RECORD_MISC_BUILD_ID_SIZE;
ev.build_id.pid = machine->pid;
- ev.build_id.header.size = sizeof(ev.build_id) + len;
- memcpy(&ev.build_id.filename, dso__long_name(pos), dso__long_name_len(pos));
+ ev.build_id.header.size = len;
+ strcpy(ev.build_id.filename, filename);
+
+ if (evsel) {
+ void *array = &ev;
+ int ret;
+
+ array += ev.header.size;
+ ret = perf_event__synthesize_id_sample(array, evsel->core.attr.sample_type, sample);
+ if (ret < 0)
+ return ret;
+
+ if (ret & 7) {
+ pr_err("Bad id sample size %d\n", ret);
+ return -EINVAL;
+ }
+
+ ev.header.size += ret;
+ }
+
+ return process(tool, &ev, sample, machine);
+}
+
+int perf_event__synthesize_mmap2_build_id(const struct perf_tool *tool,
+ struct perf_sample *sample,
+ struct machine *machine,
+ perf_event__handler_t process,
+ const struct evsel *evsel,
+ __u16 misc,
+ __u32 pid, __u32 tid,
+ __u64 start, __u64 len, __u64 pgoff,
+ const struct build_id *bid,
+ __u32 prot, __u32 flags,
+ const char *filename)
+{
+ union perf_event ev;
+ size_t ev_len;
+ void *array;
+ int ret;
+
+ ev_len = sizeof(ev.mmap2) - sizeof(ev.mmap2.filename) + strlen(filename) + 1;
+ ev_len = PERF_ALIGN(ev_len, sizeof(u64));
+
+ memset(&ev, 0, ev_len);
+
+ ev.mmap2.header.type = PERF_RECORD_MMAP2;
+ ev.mmap2.header.misc = misc | PERF_RECORD_MISC_MMAP_BUILD_ID;
+ ev.mmap2.header.size = ev_len;
+
+ ev.mmap2.pid = pid;
+ ev.mmap2.tid = tid;
+ ev.mmap2.start = start;
+ ev.mmap2.len = len;
+ ev.mmap2.pgoff = pgoff;
+
+ ev.mmap2.build_id_size = min(bid->size, sizeof(ev.mmap2.build_id));
+ memcpy(ev.mmap2.build_id, bid->data, ev.mmap2.build_id_size);
+
+ ev.mmap2.prot = prot;
+ ev.mmap2.flags = flags;
+
+ memcpy(ev.mmap2.filename, filename, min(strlen(filename), sizeof(ev.mmap.filename)));
+
+ array = &ev;
+ array += ev.header.size;
+ ret = perf_event__synthesize_id_sample(array, evsel->core.attr.sample_type, sample);
+ if (ret < 0)
+ return ret;
+
+ if (ret & 7) {
+ pr_err("Bad id sample size %d\n", ret);
+ return -EINVAL;
+ }
+
+ ev.header.size += ret;
- return process(tool, &ev, NULL, machine);
+ return process(tool, &ev, sample, machine);
}
-int perf_event__synthesize_stat_events(struct perf_stat_config *config, struct perf_tool *tool,
+int perf_event__synthesize_stat_events(struct perf_stat_config *config, const struct perf_tool *tool,
struct evlist *evlist, perf_event__handler_t process, bool attrs)
{
int err;
@@ -2286,7 +2363,7 @@ int perf_event__synthesize_stat_events(struct perf_stat_config *config, struct p
extern const struct perf_header_feature_ops feat_ops[HEADER_LAST_FEATURE];
-int perf_event__synthesize_features(struct perf_tool *tool, struct perf_session *session,
+int perf_event__synthesize_features(const struct perf_tool *tool, struct perf_session *session,
struct evlist *evlist, perf_event__handler_t process)
{
struct perf_header *header = &session->header;
@@ -2349,7 +2426,7 @@ int perf_event__synthesize_features(struct perf_tool *tool, struct perf_session
return ret;
}
-int perf_event__synthesize_for_pipe(struct perf_tool *tool,
+int perf_event__synthesize_for_pipe(const struct perf_tool *tool,
struct perf_session *session,
struct perf_data *data,
perf_event__handler_t process)