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perf tools: Use perf_evsel__newtp in the event parser

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Elliminating code duplication.

Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Namhyung Kim <namhyung@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-9v4zl7ldlp8v6azrpsu5lupk@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Arnaldo Carvalho de Melo 2012-09-26 17:13:07 -03:00
parent e48ffe2bd4
commit 82fe1c290c
1 changed files with 16 additions and 30 deletions
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46
tools/perf/util/parse-events.c
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@ -356,42 +356,28 @@ int parse_events_add_cache(struct list_head **list, int *idx,
return add_event(list, idx, &attr, name);
}
static int add_tracepoint(struct list_head **list, int *idx,
static int add_tracepoint(struct list_head **listp, int *idx,
char *sys_name, char *evt_name)
{
struct perf_event_attr attr;
char name[MAX_NAME_LEN];
char evt_path[MAXPATHLEN];
char id_buf[4];
u64 id;
int fd;
struct perf_evsel *evsel;
struct list_head *list = *listp;
snprintf(evt_path, MAXPATHLEN, "%s/%s/%s/id", tracing_events_path,
sys_name, evt_name);
fd = open(evt_path, O_RDONLY);
if (fd < 0)
return -1;
if (read(fd, id_buf, sizeof(id_buf)) < 0) {
close(fd);
return -1;
if (!list) {
list = malloc(sizeof(*list));
if (!list)
return -ENOMEM;
INIT_LIST_HEAD(list);
}
close(fd);
id = atoll(id_buf);
evsel = perf_evsel__newtp(sys_name, evt_name, (*idx)++);
if (!evsel) {
free(list);
return -ENOMEM;
}
memset(&attr, 0, sizeof(attr));
attr.config = id;
attr.type = PERF_TYPE_TRACEPOINT;
attr.sample_type |= PERF_SAMPLE_RAW;
attr.sample_type |= PERF_SAMPLE_TIME;
attr.sample_type |= PERF_SAMPLE_CPU;
attr.sample_type |= PERF_SAMPLE_PERIOD;
attr.sample_period = 1;
snprintf(name, MAX_NAME_LEN, "%s:%s", sys_name, evt_name);
return add_event(list, idx, &attr, name);
list_add_tail(&evsel->node, list);
*listp = list;
return 0;
}
static int add_tracepoint_multi(struct list_head **list, int *idx,