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| author |   Namhyung Kim <namhyung@kernel.org> | 2014-11-04 10:14:27 +0900 |
|---|---|---|
| committer |   Arnaldo Carvalho de Melo <acme@redhat.com> | 2014-11-04 10:15:53 -0300 |
| commit | c00c48fc6e6ef63d83a7417923a06b08089bb34b (patch) | |
| tree | 08908b7bc276599a2f25550995040112c18dc78c /tools/perf/util/dso.h | |
| parent | perf tools: Defer export of comms that were not 'set' (diff) | |
| download | wireguard-linux-c00c48fc6e6ef63d83a7417923a06b08089bb34b.tar.xz wireguard-linux-c00c48fc6e6ef63d83a7417923a06b08089bb34b.zip | |
perf symbols: Preparation for compressed kernel module support
This patch adds basic support to handle compressed kernel module as some
distro (such as Archlinux) carries on it now. The actual work using
compression library will be added later.
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung.kim@lge.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/1415063674-17206-2-git-send-email-namhyung@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 | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/tools/perf/util/dso.h b/tools/perf/util/dso.h index a316e4af321f..3782c82c6e44 100644 --- a/tools/perf/util/dso.h +++ b/tools/perf/util/dso.h @@ -22,7 +22,9 @@ enum dso_binary_type { DSO_BINARY_TYPE__BUILDID_DEBUGINFO, DSO_BINARY_TYPE__SYSTEM_PATH_DSO, DSO_BINARY_TYPE__GUEST_KMODULE, + DSO_BINARY_TYPE__GUEST_KMODULE_COMP, DSO_BINARY_TYPE__SYSTEM_PATH_KMODULE, + DSO_BINARY_TYPE__SYSTEM_PATH_KMODULE_COMP, DSO_BINARY_TYPE__KCORE, DSO_BINARY_TYPE__GUEST_KCORE, DSO_BINARY_TYPE__OPENEMBEDDED_DEBUGINFO, @@ -185,6 +187,11 @@ int dso__kernel_module_get_build_id(struct dso *dso, const char *root_dir); char dso__symtab_origin(const struct dso *dso); int dso__read_binary_type_filename(const struct dso *dso, enum dso_binary_type type, char *root_dir, char *filename, size_t size); +bool is_supported_compression(const char *ext); +bool is_kmodule_extension(const char *ext); +bool is_kernel_module(const char *pathname, bool *compressed); +bool decompress_to_file(const char *ext, const char *filename, int output_fd); +bool dso__needs_decompress(struct dso *dso); /* * The dso__data_* external interface provides following functions: |