Commit-ID: d820456dc70b231d62171ba46b43db0045e9bd57
Gitweb: http://git.kernel.org/tip/d820456dc70b231d62171ba46b43db0045e9bd57
Author: Ravi Bangoria <ravi.bangoria@xxxxxxxxxxxxxxxxxx>
AuthorDate: Tue, 9 Aug 2016 01:23:24 -0500
Committer: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
CommitDate: Tue, 9 Aug 2016 12:09:59 -0300
perf probe: Add function to post process kernel trace events
Instead of inline code, introduce function to post process kernel
probe trace events.
Signed-off-by: Ravi Bangoria <ravi.bangoria@xxxxxxxxxxxxxxxxxx>
Acked-by: Masami Hiramatsu <mhiramat@xxxxxxxxxx>
Cc: Alexander Shishkin <alexander.shishkin@xxxxxxxxxxxxxxx>
Cc: Ananth N Mavinakayanahalli <ananth@xxxxxxxxxx>
Cc: Balbir Singh <bsingharora@xxxxxxxxx>
Cc: Namhyung Kim <namhyung@xxxxxxxxxx>
Cc: Naveen N. Rao <naveen.n.rao@xxxxxxxxxxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Wang Nan <wangnan0@xxxxxxxxxx>
Link: http://lkml.kernel.org/r/1470723805-5081-1-git-send-email-ravi.bangoria@xxxxxxxxxxxxxxxxxx
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
tools/perf/util/probe-event.c | 29 ++++++++++++++++++-----------
1 file changed, 18 insertions(+), 11 deletions(-)
diff --git a/tools/perf/util/probe-event.c b/tools/perf/util/probe-event.c
index 1201f73..234fbfb 100644
--- a/tools/perf/util/probe-event.c
+++ b/tools/perf/util/probe-event.c
@@ -666,22 +666,14 @@ static int add_module_to_probe_trace_events(struct probe_trace_event *tevs,
return ret;
}
-/* Post processing the probe events */
-static int post_process_probe_trace_events(struct probe_trace_event *tevs,
- int ntevs, const char *module,
- bool uprobe)
+static int
+post_process_kernel_probe_trace_events(struct probe_trace_event *tevs,
+ int ntevs)
{
struct ref_reloc_sym *reloc_sym;
char *tmp;
int i, skipped = 0;
- if (uprobe)
- return add_exec_to_probe_trace_events(tevs, ntevs, module);
-
- /* Note that currently ref_reloc_sym based probe is not for drivers */
- if (module)
- return add_module_to_probe_trace_events(tevs, ntevs, module);
-
reloc_sym = kernel_get_ref_reloc_sym();
if (!reloc_sym) {
pr_warning("Relocated base symbol is not found!\n");
@@ -713,6 +705,21 @@ static int post_process_probe_trace_events(struct probe_trace_event *tevs,
return skipped;
}
+/* Post processing the probe events */
+static int post_process_probe_trace_events(struct probe_trace_event *tevs,
+ int ntevs, const char *module,
+ bool uprobe)
+{
+ if (uprobe)
+ return add_exec_to_probe_trace_events(tevs, ntevs, module);
+
+ if (module)
+ /* Currently ref_reloc_sym based probe is not for drivers */
+ return add_module_to_probe_trace_events(tevs, ntevs, module);
+
+ return post_process_kernel_probe_trace_events(tevs, ntevs);
+}
+
/* Try to find perf_probe_event with debuginfo */
static int try_to_find_probe_trace_events(struct perf_probe_event *pev,
struct probe_trace_event **tevs)
--
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