diff options
Diffstat (limited to 'tools/perf/util/probe-event.c')
| -rw-r--r-- | tools/perf/util/probe-event.c | 29 |
1 files changed, 12 insertions, 17 deletions
diff --git a/tools/perf/util/probe-event.c b/tools/perf/util/probe-event.c index 28fb62c32678..84e7e698411e 100644 --- a/tools/perf/util/probe-event.c +++ b/tools/perf/util/probe-event.c @@ -19,6 +19,7 @@ * */ +#include <inttypes.h> #include <sys/utsname.h> #include <sys/types.h> #include <sys/stat.h> @@ -35,6 +36,7 @@ #include "util.h" #include "event.h" #include "strlist.h" +#include "strfilter.h" #include "debug.h" #include "cache.h" #include "color.h" @@ -46,8 +48,10 @@ #include "probe-finder.h" #include "probe-file.h" #include "session.h" +#include "string2.h" + +#include "sane_ctype.h" -#define MAX_CMDLEN 256 #define PERFPROBE_GROUP "probe" bool probe_event_dry_run; /* Dry run flag */ @@ -757,7 +761,9 @@ post_process_kernel_probe_trace_events(struct probe_trace_event *tevs, } for (i = 0; i < ntevs; i++) { - if (!tevs[i].point.address || tevs[i].point.retprobe) + if (!tevs[i].point.address) + continue; + if (tevs[i].point.retprobe && !kretprobe_offset_is_supported()) continue; /* If we found a wrong one, mark it by NULL symbol */ if (kprobe_warn_out_range(tevs[i].point.symbol, @@ -1339,14 +1345,7 @@ static int parse_perf_probe_point(char *arg, struct perf_probe_event *pev) if (!arg) return -EINVAL; - /* - * If the probe point starts with '%', - * or starts with "sdt_" and has a ':' but no '=', - * then it should be a SDT/cached probe point. - */ - if (arg[0] == '%' || - (!strncmp(arg, "sdt_", 4) && - !!strchr(arg, ':') && !strchr(arg, '='))) { + if (is_sdt_event(arg)) { pev->sdt = true; if (arg[0] == '%') arg++; @@ -1528,11 +1527,6 @@ static int parse_perf_probe_point(char *arg, struct perf_probe_event *pev) return -EINVAL; } - if (pp->retprobe && !pp->function) { - semantic_error("Return probe requires an entry function.\n"); - return -EINVAL; - } - if ((pp->offset || pp->line || pp->lazy_line) && pp->retprobe) { semantic_error("Offset/Line/Lazy pattern can't be used with " "return probe.\n"); @@ -2841,7 +2835,8 @@ static int find_probe_trace_events_from_map(struct perf_probe_event *pev, } /* Note that the symbols in the kmodule are not relocated */ - if (!pev->uprobes && !pp->retprobe && !pev->target) { + if (!pev->uprobes && !pev->target && + (!pp->retprobe || kretprobe_offset_is_supported())) { reloc_sym = kernel_get_ref_reloc_sym(); if (!reloc_sym) { pr_warning("Relocated base symbol is not found!\n"); @@ -3057,7 +3052,7 @@ concat_probe_trace_events(struct probe_trace_event **tevs, int *ntevs, struct probe_trace_event *new_tevs; int ret = 0; - if (ntevs == 0) { + if (*ntevs == 0) { *tevs = *tevs2; *ntevs = ntevs2; *tevs2 = NULL; |