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| author |   Jiri Olsa <jolsa@kernel.org> | 2020-11-26 18:00:09 +0100 |
|---|---|---|
| committer |   Arnaldo Carvalho de Melo <acme@redhat.com> | 2020-11-27 08:36:53 -0300 |
| commit | 7ac22b088afe26a42978ff7576730ca419da76aa (patch) | |
| tree | 2b09011daf322ab1a167892916c69a10224cc562 /tools/perf/util/dso.h | |
| parent | perf tools: Add build_id__is_defined function (diff) | |
| download | linux-dev-7ac22b088afe26a42978ff7576730ca419da76aa.tar.xz linux-dev-7ac22b088afe26a42978ff7576730ca419da76aa.zip | |
perf tools: Add filename__decompress function
Factor filename__decompress from decompress_kmodule function. It can
decompress files with compressions supported in perf - xz and gz, the
support needs to be compiled in.
It will to be used in following changes to get build id out of
compressed elf objects.
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Acked-by: Namhyung Kim <namhyung@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Alexey Budankov <alexey.budankov@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Michael Petlan <mpetlan@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Song Liu <songliubraving@fb.com>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lore.kernel.org/lkml/20201126170026.2619053-9-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/dso.h')
| -rw-r--r-- | tools/perf/util/dso.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/tools/perf/util/dso.h b/tools/perf/util/dso.h index d8cb4f5680a4..cd2fe64a3c5d 100644 --- a/tools/perf/util/dso.h +++ b/tools/perf/util/dso.h @@ -274,6 +274,8 @@ bool dso__needs_decompress(struct dso *dso); int dso__decompress_kmodule_fd(struct dso *dso, const char *name); int dso__decompress_kmodule_path(struct dso *dso, const char *name, char *pathname, size_t len); +int filename__decompress(const char *name, char *pathname, + size_t len, int comp, int *err); #define KMOD_DECOMP_NAME "/tmp/perf-kmod-XXXXXX" #define KMOD_DECOMP_LEN sizeof(KMOD_DECOMP_NAME) |