Merge branch 'perf-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...

* 'perf-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  perf tools: Fix tracepoint id to string perf.data header table
  perf tools: Fix handling of wildcards in tracepoint event selectors
  powerpc: perf: Fix frequency calculation for overflowing counters

diff --git a/arch/powerpc/kernel/perf_event.c b/arch/powerpc/kernel/perf_event.c
index 5674807..ab6f6be 100644 (file)
--- a/arch/powerpc/kernel/perf_event.c
+++ b/arch/powerpc/kernel/perf_event.c
@@ -1212,6 +1212,7 @@ static void record_and_restart(struct perf_event *event, unsigned long val,
                        if (left <= 0)
                                left = period;
                        record = 1;
+                       event->hw.last_period = event->hw.sample_period;
                }
                if (left < 0x80000000LL)
                        val = 0x80000000LL - left;

diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index df6064a..fcd29e8 100644 (file)
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -936,6 +936,8 @@ int cmd_record(int argc, const char **argv, const char *prefix __used)
        list_for_each_entry(pos, &evsel_list, node) {
                if (perf_evsel__alloc_fd(pos, cpus->nr, threads->nr) < 0)
                        goto out_free_fd;
+               if (perf_header__push_event(pos->attr.config, event_name(pos)))
+                       goto out_free_fd;
        }
        event_array = malloc((sizeof(struct pollfd) * MAX_NR_CPUS *
                              MAX_COUNTERS * threads->nr));

diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c
index 5cb6f4b..bc2732e 100644 (file)
--- a/tools/perf/util/parse-events.c
+++ b/tools/perf/util/parse-events.c
@@ -490,32 +490,6 @@ parse_multiple_tracepoint_event(char *sys_name, const char *evt_exp,
        return EVT_HANDLED_ALL;
 }
 
-static int store_event_type(const char *orgname)
-{
-       char filename[PATH_MAX], *c;
-       FILE *file;
-       int id, n;
-
-       sprintf(filename, "%s/", debugfs_path);
-       strncat(filename, orgname, strlen(orgname));
-       strcat(filename, "/id");
-
-       c = strchr(filename, ':');
-       if (c)
-               *c = '/';
-
-       file = fopen(filename, "r");
-       if (!file)
-               return 0;
-       n = fscanf(file, "%i", &id);
-       fclose(file);
-       if (n < 1) {
-               pr_err("cannot store event ID\n");
-               return -EINVAL;
-       }
-       return perf_header__push_event(id, orgname);
-}
-
 static enum event_result parse_tracepoint_event(const char **strp,
                                    struct perf_event_attr *attr)
 {
@@ -555,13 +529,10 @@ static enum event_result parse_tracepoint_event(const char **strp,
        if (evt_length >= MAX_EVENT_LENGTH)
                return EVT_FAILED;
        if (strpbrk(evt_name, "*?")) {
-               *strp += strlen(sys_name) + evt_length;
+               *strp += strlen(sys_name) + evt_length + 1; /* 1 == the ':' */
                return parse_multiple_tracepoint_event(sys_name, evt_name,
                                                       flags);
        } else {
-               if (store_event_type(evt_name) < 0)
-                       return EVT_FAILED;
-
                return parse_single_tracepoint_event(sys_name, evt_name,
                                                     evt_length, attr, strp);
        }