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| author | Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> | 2010-10-21 19:13:35 +0900 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2010-10-21 16:06:42 -0200 |
| commit | fb8c5a56c7ddbc2b0d2ee7a8da60fe1355f75141 (patch) | |
| tree | 0d7575627d9fbcdeb642fbcb6ed84744fe9763f5 /tools/perf/util/probe-event.c | |
| parent | c82ec0a2bd7725a2d2ac3065d8cde13e1f717d3c (diff) | |
| download | lwn-fb8c5a56c7ddbc2b0d2ee7a8da60fe1355f75141.tar.gz lwn-fb8c5a56c7ddbc2b0d2ee7a8da60fe1355f75141.zip | |
perf probe: Show accessible global variables
Add --externs for allowing --vars to show accessible global (externally
defined) variables from a given probe point too.
This will give you a hint which globals can be accessible from the probe point.
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
LKML-Reference: <20101021101335.3542.31003.stgit@ltc236.sdl.hitachi.co.jp>
Signed-off-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/probe-event.c')
| -rw-r--r-- | tools/perf/util/probe-event.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/tools/perf/util/probe-event.c b/tools/perf/util/probe-event.c index 83192a59f02a..82b0976e2053 100644 --- a/tools/perf/util/probe-event.c +++ b/tools/perf/util/probe-event.c @@ -379,7 +379,7 @@ end: } static int show_available_vars_at(int fd, struct perf_probe_event *pev, - int max_vls) + int max_vls, bool externs) { char *buf; int ret, i; @@ -391,7 +391,7 @@ static int show_available_vars_at(int fd, struct perf_probe_event *pev, return -EINVAL; pr_debug("Searching variables at %s\n", buf); - ret = find_available_vars_at(fd, pev, &vls, max_vls); + ret = find_available_vars_at(fd, pev, &vls, max_vls, externs); if (ret > 0) { /* Some variables were found */ fprintf(stdout, "Available variables at %s\n", buf); @@ -421,7 +421,7 @@ static int show_available_vars_at(int fd, struct perf_probe_event *pev, /* Show available variables on given probe point */ int show_available_vars(struct perf_probe_event *pevs, int npevs, - int max_vls) + int max_vls, bool externs) { int i, fd, ret = 0; @@ -438,7 +438,7 @@ int show_available_vars(struct perf_probe_event *pevs, int npevs, setup_pager(); for (i = 0; i < npevs && ret >= 0; i++) - ret = show_available_vars_at(fd, &pevs[i], max_vls); + ret = show_available_vars_at(fd, &pevs[i], max_vls, externs); close(fd); return ret; |