mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-29 15:43:59 +08:00
ebb296c276
Moving build_id__sprintf function into build-id object. Signed-off-by: Jiri Olsa <jolsa@redhat.com> Reviewed-by: Namhyung Kim <namhyung@kernel.org> Tested-by: Namhyung Kim <namhyung@kernel.org> Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/1351372712-21104-2-git-send-email-jolsa@redhat.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
105 lines
2.5 KiB
C
105 lines
2.5 KiB
C
/*
|
|
* build-id.c
|
|
*
|
|
* build-id support
|
|
*
|
|
* Copyright (C) 2009, 2010 Red Hat Inc.
|
|
* Copyright (C) 2009, 2010 Arnaldo Carvalho de Melo <acme@redhat.com>
|
|
*/
|
|
#include "util.h"
|
|
#include <stdio.h>
|
|
#include "build-id.h"
|
|
#include "event.h"
|
|
#include "symbol.h"
|
|
#include <linux/kernel.h>
|
|
#include "debug.h"
|
|
#include "session.h"
|
|
#include "tool.h"
|
|
|
|
int build_id__mark_dso_hit(struct perf_tool *tool __maybe_unused,
|
|
union perf_event *event,
|
|
struct perf_sample *sample __maybe_unused,
|
|
struct perf_evsel *evsel __maybe_unused,
|
|
struct machine *machine)
|
|
{
|
|
struct addr_location al;
|
|
u8 cpumode = event->header.misc & PERF_RECORD_MISC_CPUMODE_MASK;
|
|
struct thread *thread = machine__findnew_thread(machine, event->ip.pid);
|
|
|
|
if (thread == NULL) {
|
|
pr_err("problem processing %d event, skipping it.\n",
|
|
event->header.type);
|
|
return -1;
|
|
}
|
|
|
|
thread__find_addr_map(thread, machine, cpumode, MAP__FUNCTION,
|
|
event->ip.ip, &al);
|
|
|
|
if (al.map != NULL)
|
|
al.map->dso->hit = 1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int perf_event__exit_del_thread(struct perf_tool *tool __maybe_unused,
|
|
union perf_event *event,
|
|
struct perf_sample *sample
|
|
__maybe_unused,
|
|
struct machine *machine)
|
|
{
|
|
struct thread *thread = machine__findnew_thread(machine, event->fork.tid);
|
|
|
|
dump_printf("(%d:%d):(%d:%d)\n", event->fork.pid, event->fork.tid,
|
|
event->fork.ppid, event->fork.ptid);
|
|
|
|
if (thread) {
|
|
rb_erase(&thread->rb_node, &machine->threads);
|
|
machine->last_match = NULL;
|
|
thread__delete(thread);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
struct perf_tool build_id__mark_dso_hit_ops = {
|
|
.sample = build_id__mark_dso_hit,
|
|
.mmap = perf_event__process_mmap,
|
|
.fork = perf_event__process_fork,
|
|
.exit = perf_event__exit_del_thread,
|
|
.attr = perf_event__process_attr,
|
|
.build_id = perf_event__process_build_id,
|
|
};
|
|
|
|
int build_id__sprintf(const u8 *build_id, int len, char *bf)
|
|
{
|
|
char *bid = bf;
|
|
const u8 *raw = build_id;
|
|
int i;
|
|
|
|
for (i = 0; i < len; ++i) {
|
|
sprintf(bid, "%02x", *raw);
|
|
++raw;
|
|
bid += 2;
|
|
}
|
|
|
|
return raw - build_id;
|
|
}
|
|
|
|
char *dso__build_id_filename(struct dso *self, char *bf, size_t size)
|
|
{
|
|
char build_id_hex[BUILD_ID_SIZE * 2 + 1];
|
|
|
|
if (!self->has_build_id)
|
|
return NULL;
|
|
|
|
build_id__sprintf(self->build_id, sizeof(self->build_id), build_id_hex);
|
|
if (bf == NULL) {
|
|
if (asprintf(&bf, "%s/.build-id/%.2s/%s", buildid_dir,
|
|
build_id_hex, build_id_hex + 2) < 0)
|
|
return NULL;
|
|
} else
|
|
snprintf(bf, size, "%s/.build-id/%.2s/%s", buildid_dir,
|
|
build_id_hex, build_id_hex + 2);
|
|
return bf;
|
|
}
|