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| author | Ravi Bangoria <ravi.bangoria@linux.vnet.ibm.com> | 2016-08-09 01:23:24 -0500 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2016-08-09 12:09:59 -0300 |
| commit | d820456dc70b231d62171ba46b43db0045e9bd57 (patch) | |
| tree | a9de4809c4932c1ec6a2621c6118c20bf67faf74 /tools | |
| parent | 840b49ba554b40fa8301ad2716abd2fe3d9e382a (diff) | |
| download | lwn-d820456dc70b231d62171ba46b43db0045e9bd57.tar.gz lwn-d820456dc70b231d62171ba46b43db0045e9bd57.zip | |
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@linux.vnet.ibm.com>
Acked-by: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Ananth N Mavinakayanahalli <ananth@in.ibm.com>
Cc: Balbir Singh <bsingharora@gmail.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/r/1470723805-5081-1-git-send-email-ravi.bangoria@linux.vnet.ibm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/perf/util/probe-event.c | 29 |
1 files changed, 18 insertions, 11 deletions
diff --git a/tools/perf/util/probe-event.c b/tools/perf/util/probe-event.c index 1201f73ca723..234fbfb5c2ed 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) |