summaryrefslogtreecommitdiffstats
path: root/tools/perf/tests/hists_common.h
diff options
context:
space:
mode:
Diffstat (limited to 'tools/perf/tests/hists_common.h')
-rw-r--r--tools/perf/tests/hists_common.h47
1 files changed, 47 insertions, 0 deletions
diff --git a/tools/perf/tests/hists_common.h b/tools/perf/tests/hists_common.h
new file mode 100644
index 00000000000..1415ae69d7b
--- /dev/null
+++ b/tools/perf/tests/hists_common.h
@@ -0,0 +1,47 @@
+#ifndef __PERF_TESTS__HISTS_COMMON_H__
+#define __PERF_TESTS__HISTS_COMMON_H__
+
+struct machine;
+struct machines;
+
+/*
+ * The setup_fake_machine() provides a test environment which consists
+ * of 3 processes that have 3 mappings and in turn, have 3 symbols
+ * respectively. See below table:
+ *
+ * Command: Pid Shared Object Symbol
+ * ............. ............. ...................
+ * perf: 100 perf main
+ * perf: 100 perf run_command
+ * perf: 100 perf comd_record
+ * perf: 100 libc malloc
+ * perf: 100 libc free
+ * perf: 100 libc realloc
+ * perf: 100 [kernel] schedule
+ * perf: 100 [kernel] page_fault
+ * perf: 100 [kernel] sys_perf_event_open
+ * perf: 200 perf main
+ * perf: 200 perf run_command
+ * perf: 200 perf comd_record
+ * perf: 200 libc malloc
+ * perf: 200 libc free
+ * perf: 200 libc realloc
+ * perf: 200 [kernel] schedule
+ * perf: 200 [kernel] page_fault
+ * perf: 200 [kernel] sys_perf_event_open
+ * bash: 300 bash main
+ * bash: 300 bash xmalloc
+ * bash: 300 bash xfree
+ * bash: 300 libc malloc
+ * bash: 300 libc free
+ * bash: 300 libc realloc
+ * bash: 300 [kernel] schedule
+ * bash: 300 [kernel] page_fault
+ * bash: 300 [kernel] sys_perf_event_open
+ */
+struct machine *setup_fake_machine(struct machines *machines);
+
+void print_hists_in(struct hists *hists);
+void print_hists_out(struct hists *hists);
+
+#endif /* __PERF_TESTS__HISTS_COMMON_H__ */