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authorLinus Torvalds <torvalds@linux-foundation.org>2011-06-08 08:36:15 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2011-06-08 08:36:15 -0700
commit33726bf2140a0e7c9de3ccd7cba6d69962f0b773 (patch)
treea4f5bca74d61072533806a2fe7f257357cae1ce2 /tools/perf/util/evlist.c
parent5b28f6a25ee202046e2d57bd431671bc23cf3dd1 (diff)
parentd7ebe75b065a7c2d58ffc12f9d2e00d5ea4e71eb (diff)
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Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: perf: Fix comments in include/linux/perf_event.h perf: Comment /proc/sys/kernel/perf_event_paranoid to be part of user ABI perf python: Fix argument name list of read_on_cpu() perf evlist: Don't die if sample_{id_all|type} is invalid perf python: Use exception to propagate errors perf evlist: Remove dependency on debug routines perf, cgroups: Fix up for new API
Diffstat (limited to 'tools/perf/util/evlist.c')
-rw-r--r--tools/perf/util/evlist.c68
1 files changed, 38 insertions, 30 deletions
diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c
index 50aa348..b021ea9 100644
--- a/tools/perf/util/evlist.c
+++ b/tools/perf/util/evlist.c
@@ -12,7 +12,6 @@
#include "evlist.h"
#include "evsel.h"
#include "util.h"
-#include "debug.h"
#include <sys/mman.h>
@@ -257,19 +256,15 @@ int perf_evlist__alloc_mmap(struct perf_evlist *evlist)
return evlist->mmap != NULL ? 0 : -ENOMEM;
}
-static int __perf_evlist__mmap(struct perf_evlist *evlist, struct perf_evsel *evsel,
+static int __perf_evlist__mmap(struct perf_evlist *evlist,
int idx, int prot, int mask, int fd)
{
evlist->mmap[idx].prev = 0;
evlist->mmap[idx].mask = mask;
evlist->mmap[idx].base = mmap(NULL, evlist->mmap_len, prot,
MAP_SHARED, fd, 0);
- if (evlist->mmap[idx].base == MAP_FAILED) {
- if (evlist->cpus->map[idx] == -1 && evsel->attr.inherit)
- ui__warning("Inherit is not allowed on per-task "
- "events using mmap.\n");
+ if (evlist->mmap[idx].base == MAP_FAILED)
return -1;
- }
perf_evlist__add_pollfd(evlist, fd);
return 0;
@@ -289,7 +284,7 @@ static int perf_evlist__mmap_per_cpu(struct perf_evlist *evlist, int prot, int m
if (output == -1) {
output = fd;
- if (__perf_evlist__mmap(evlist, evsel, cpu,
+ if (__perf_evlist__mmap(evlist, cpu,
prot, mask, output) < 0)
goto out_unmap;
} else {
@@ -329,7 +324,7 @@ static int perf_evlist__mmap_per_thread(struct perf_evlist *evlist, int prot, in
if (output == -1) {
output = fd;
- if (__perf_evlist__mmap(evlist, evsel, thread,
+ if (__perf_evlist__mmap(evlist, thread,
prot, mask, output) < 0)
goto out_unmap;
} else {
@@ -460,33 +455,46 @@ int perf_evlist__set_filters(struct perf_evlist *evlist)
return 0;
}
-u64 perf_evlist__sample_type(struct perf_evlist *evlist)
+bool perf_evlist__valid_sample_type(const struct perf_evlist *evlist)
{
- struct perf_evsel *pos;
- u64 type = 0;
-
- list_for_each_entry(pos, &evlist->entries, node) {
- if (!type)
- type = pos->attr.sample_type;
- else if (type != pos->attr.sample_type)
- die("non matching sample_type");
+ struct perf_evsel *pos, *first;
+
+ pos = first = list_entry(evlist->entries.next, struct perf_evsel, node);
+
+ list_for_each_entry_continue(pos, &evlist->entries, node) {
+ if (first->attr.sample_type != pos->attr.sample_type)
+ return false;
}
- return type;
+ return true;
}
-bool perf_evlist__sample_id_all(const struct perf_evlist *evlist)
+u64 perf_evlist__sample_type(const struct perf_evlist *evlist)
+{
+ struct perf_evsel *first;
+
+ first = list_entry(evlist->entries.next, struct perf_evsel, node);
+ return first->attr.sample_type;
+}
+
+bool perf_evlist__valid_sample_id_all(const struct perf_evlist *evlist)
{
- bool value = false, first = true;
- struct perf_evsel *pos;
-
- list_for_each_entry(pos, &evlist->entries, node) {
- if (first) {
- value = pos->attr.sample_id_all;
- first = false;
- } else if (value != pos->attr.sample_id_all)
- die("non matching sample_id_all");
+ struct perf_evsel *pos, *first;
+
+ pos = first = list_entry(evlist->entries.next, struct perf_evsel, node);
+
+ list_for_each_entry_continue(pos, &evlist->entries, node) {
+ if (first->attr.sample_id_all != pos->attr.sample_id_all)
+ return false;
}
- return value;
+ return true;
+}
+
+bool perf_evlist__sample_id_all(const struct perf_evlist *evlist)
+{
+ struct perf_evsel *first;
+
+ first = list_entry(evlist->entries.next, struct perf_evsel, node);
+ return first->attr.sample_id_all;
}