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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>
This commit is contained in:
Ravi Bangoria 2016-08-09 01:23:24 -05:00 committed by Arnaldo Carvalho de Melo
parent 840b49ba55
commit d820456dc7
1 changed files with 18 additions and 11 deletions
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29
tools/perf/util/probe-event.c
View File

@ -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)