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authorArnaldo Carvalho de Melo <acme@redhat.com>2011-01-03 16:39:04 -0200
committerArnaldo Carvalho de Melo <acme@redhat.com>2011-01-03 16:39:04 -0200
commit69aad6f1ee69546dea8535ab8f3da9f445d57328 (patch)
treeb328ec140a6a90703a049fcc661d623025d7e81f /tools/perf/util/evsel.h
parent56f4c400349157289b474a3fd49ee96acab0a4d7 (diff)
perf tools: Introduce event selectors
Out of ad-hoc code and global arrays with hard coded sizes. This is the first step on having a library that will be first used on regression tests in the 'perf test' tool. [acme@felicio linux]$ size /tmp/perf.before text data bss dec hex filename 1273776 97384 5104416 6475576 62cf38 /tmp/perf.before [acme@felicio linux]$ size /tmp/perf.new text data bss dec hex filename 1275422 97416 1392416 2765254 2a31c6 /tmp/perf.new Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Mike Galbraith <efault@gmx.de> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Cc: Tom Zanussi <tzanussi@gmail.com> LKML-Reference: <new-submission> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/evsel.h')
-rw-r--r--tools/perf/util/evsel.h24
1 files changed, 24 insertions, 0 deletions
diff --git a/tools/perf/util/evsel.h b/tools/perf/util/evsel.h
new file mode 100644
index 000000000000..3eb3989a2110
--- /dev/null
+++ b/tools/perf/util/evsel.h
@@ -0,0 +1,24 @@
+#ifndef __PERF_EVSEL_H
+#define __PERF_EVSEL_H 1
+
+#include <linux/list.h>
+#include <linux/perf_event.h>
+#include "types.h"
+#include "xyarray.h"
+
+struct perf_evsel {
+ struct list_head node;
+ struct perf_event_attr attr;
+ char *filter;
+ struct xyarray *fd;
+ int idx;
+ void *priv;
+};
+
+struct perf_evsel *perf_evsel__new(u32 type, u64 config, int idx);
+void perf_evsel__delete(struct perf_evsel *evsel);
+
+int perf_evsel__alloc_fd(struct perf_evsel *evsel, int ncpus, int nthreads);
+void perf_evsel__free_fd(struct perf_evsel *evsel);
+
+#endif /* __PERF_EVSEL_H */