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authorMasami Hiramatsu <masami.hiramatsu.pt@hitachi.com>2010-10-21 19:13:35 +0900
committerArnaldo Carvalho de Melo <acme@redhat.com>2010-10-21 16:06:42 -0200
commitfb8c5a56c7ddbc2b0d2ee7a8da60fe1355f75141 (patch)
tree0d7575627d9fbcdeb642fbcb6ed84744fe9763f5 /tools/perf/util/probe-event.c
parentc82ec0a2bd7725a2d2ac3065d8cde13e1f717d3c (diff)
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.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/tools/perf/util/probe-event.c b/tools/perf/util/probe-event.c
index 83192a59f02..82b0976e205 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;