diff options
| author |   Masami Hiramatsu <mhiramat@kernel.org> | 2016-06-15 12:28:30 +0900 |
|---|---|---|
| committer |   Arnaldo Carvalho de Melo <acme@redhat.com> | 2016-06-15 14:34:31 -0300 |
| commit | dd975497adcdd2526ae332d3938bd5d6e1c3731a (patch) | |
| tree | 5d77c4d3f774c3a9c3caae1db06dffabbe9e7ed9 /tools/perf/util/probe-file.h | |
| parent | perf hists: Replace perf_evsel arg perf_hpp_fmt's width callback (diff) | |
| download | linux-dev-dd975497adcdd2526ae332d3938bd5d6e1c3731a.tar.xz linux-dev-dd975497adcdd2526ae332d3938bd5d6e1c3731a.zip | |
perf probe: Introduce perf_cache interfaces
Introduce perf_cache object and interfaces to create, add entries,
commit, and delete the object.
perf_cache represents a file for the cached "perf probe" definitions on
one binary file or vmlinux which has its own build id. The probe cache
file is located under the build-id cache directory of the target binary,
as below;
<perf-debug-dir>/.build-id/<BU>/<ILDID>/probe
Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Cc: Ananth N Mavinakayanahalli <ananth@linux.vnet.ibm.com>
Cc: Brendan Gregg <brendan.d.gregg@gmail.com>
Cc: Hemant Kumar <hemant@linux.vnet.ibm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/20160615032830.31330.84998.stgit@devbox
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/probe-file.h')
| -rw-r--r-- | tools/perf/util/probe-file.h | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/tools/perf/util/probe-file.h b/tools/perf/util/probe-file.h index 18ac9cf51c34..d872e3df7e59 100644 --- a/tools/perf/util/probe-file.h +++ b/tools/perf/util/probe-file.h @@ -5,6 +5,19 @@ #include "strfilter.h" #include "probe-event.h" +/* Cache of probe definitions */ +struct probe_cache_entry { + struct list_head node; + struct perf_probe_event pev; + char *spev; + struct strlist *tevlist; +}; + +struct probe_cache { + int fd; + struct list_head entries; +}; + #define PF_FL_UPROBE 1 #define PF_FL_RW 2 @@ -18,5 +31,12 @@ int probe_file__get_events(int fd, struct strfilter *filter, struct strlist *plist); int probe_file__del_strlist(int fd, struct strlist *namelist); +struct probe_cache *probe_cache__new(const char *target); +int probe_cache__add_entry(struct probe_cache *pcache, + struct perf_probe_event *pev, + struct probe_trace_event *tevs, int ntevs); +int probe_cache__commit(struct probe_cache *pcache); +void probe_cache__purge(struct probe_cache *pcache); +void probe_cache__delete(struct probe_cache *pcache); #endif |