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| author |   Adrian Hunter <adrian.hunter@intel.com> | 2021-06-27 16:18:14 +0300 |
|---|---|---|
| committer |   Arnaldo Carvalho de Melo <acme@redhat.com> | 2021-07-01 16:14:38 -0300 |
| commit | f645744c50806c0453b8d4a806c6347654035053 (patch) | |
| tree | 441f1dc782dd07032cf82562d5db84d33b62c457 /tools/perf/Documentation | |
| parent | perf build: Install perf_dlfilter.h (diff) | |
| download | linux-dev-f645744c50806c0453b8d4a806c6347654035053.tar.xz linux-dev-f645744c50806c0453b8d4a806c6347654035053.zip | |
perf dlfilter: Add resolve_address() to perf_dlfilter_fns
Add a function, for use by dlfilters, to resolve addresses from branch
stacks or callchains.
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/20210627131818.810-7-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/Documentation')
| -rw-r--r-- | tools/perf/Documentation/perf-dlfilter.txt | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/tools/perf/Documentation/perf-dlfilter.txt b/tools/perf/Documentation/perf-dlfilter.txt index 5795ab3ca23b..642323ac8934 100644 --- a/tools/perf/Documentation/perf-dlfilter.txt +++ b/tools/perf/Documentation/perf-dlfilter.txt @@ -123,7 +123,8 @@ struct perf_dlfilter_fns { const struct perf_dlfilter_al *(*resolve_ip)(void *ctx); const struct perf_dlfilter_al *(*resolve_addr)(void *ctx); char **(*args)(void *ctx, int *dlargc); - void *(*reserved[125])(void *); + __s32 (*resolve_address)(void *ctx, __u64 address, struct perf_dlfilter_al *al); + void *(*reserved[124])(void *); }; ---- @@ -133,6 +134,9 @@ struct perf_dlfilter_fns { 'args' returns arguments from --dlarg options. +'resolve_address' provides information about 'address'. al->size must be set +before calling. Returns 0 on success, -1 otherwise. + The perf_dlfilter_al structure ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |