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| author | Adrian Hunter <adrian.hunter@intel.com> | 2021-06-27 16:18:16 +0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2021-07-01 16:14:38 -0300 |
| commit | 244afc0c93205fa144c782562ad3f9435ae4ea93 (patch) | |
| tree | 8b90901bc6f1f0a79da40afefdd312f1603a8032 /tools/perf/util/dlfilter.c | |
| parent | e35995effdd3815cad7f0db8360c23d60479122a (diff) | |
| download | linux-244afc0c93205fa144c782562ad3f9435ae4ea93.tar.gz linux-244afc0c93205fa144c782562ad3f9435ae4ea93.tar.bz2 linux-244afc0c93205fa144c782562ad3f9435ae4ea93.zip | |
perf dlfilter: Add srcline() to perf_dlfilter_fns
Add a function, for use by dlfilters, to return source code file name and
line number.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: https://lore.kernel.org/r/20210627131818.810-9-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/dlfilter.c')
| -rw-r--r-- | tools/perf/util/dlfilter.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/tools/perf/util/dlfilter.c b/tools/perf/util/dlfilter.c index 79a899255c01..f4ce1a80bddc 100644 --- a/tools/perf/util/dlfilter.c +++ b/tools/perf/util/dlfilter.c @@ -19,6 +19,7 @@ #include "thread.h" #include "trace-event.h" #include "symbol.h" +#include "srcline.h" #include "dlfilter.h" #include "perf_dlfilter.h" @@ -208,12 +209,39 @@ static const __u8 *dlfilter__insn(void *ctx, __u32 *len) return (__u8 *)d->sample->insn; } +static const char *dlfilter__srcline(void *ctx, __u32 *line_no) +{ + struct dlfilter *d = (struct dlfilter *)ctx; + struct addr_location *al; + unsigned int line = 0; + char *srcfile = NULL; + struct map *map; + u64 addr; + + if (!d->ctx_valid || !line_no) + return NULL; + + al = get_al(d); + if (!al) + return NULL; + + map = al->map; + addr = al->addr; + + if (map && map->dso) + srcfile = get_srcline_split(map->dso, map__rip_2objdump(map, addr), &line); + + *line_no = line; + return srcfile; +} + static const struct perf_dlfilter_fns perf_dlfilter_fns = { .resolve_ip = dlfilter__resolve_ip, .resolve_addr = dlfilter__resolve_addr, .args = dlfilter__args, .resolve_address = dlfilter__resolve_address, .insn = dlfilter__insn, + .srcline = dlfilter__srcline, }; static char *find_dlfilter(const char *file) |