1 files changed, 65 insertions, 0 deletions
diff --git a/tools/perf/scripts/python/syscall-counts.py b/tools/perf/scripts/python/syscall-counts.py
new file mode 100644
index 000000000..8adb95ff1
--- /dev/null
+++ b/tools/perf/scripts/python/syscall-counts.py
@@ -0,0 +1,65 @@
+# system call counts
+# (c) 2010, Tom Zanussi <tzanussi@gmail.com>
+# Licensed under the terms of the GNU GPL License version 2
+#
+# Displays system-wide system call totals, broken down by syscall.
+# If a [comm] arg is specified, only syscalls called by [comm] are displayed.
+
+from __future__ import print_function
+
+import os
+import sys
+
+sys.path.append(os.environ['PERF_EXEC_PATH'] + \
+	'/scripts/python/Perf-Trace-Util/lib/Perf/Trace')
+
+from perf_trace_context import *
+from Core import *
+from Util import syscall_name
+
+usage = "perf script -s syscall-counts.py [comm]\n";
+
+for_comm = None
+
+if len(sys.argv) > 2:
+	sys.exit(usage)
+
+if len(sys.argv) > 1:
+	for_comm = sys.argv[1]
+
+syscalls = autodict()
+
+def trace_begin():
+	print("Press control+C to stop and show the summary")
+
+def trace_end():
+	print_syscall_totals()
+
+def raw_syscalls__sys_enter(event_name, context, common_cpu,
+		common_secs, common_nsecs, common_pid, common_comm,
+		common_callchain, id, args):
+	if for_comm is not None:
+		if common_comm != for_comm:
+			return
+	try:
+		syscalls[id] += 1
+	except TypeError:
+		syscalls[id] = 1
+
+def syscalls__sys_enter(event_name, context, common_cpu,
+		common_secs, common_nsecs, common_pid, common_comm, id, args):
+	raw_syscalls__sys_enter(**locals())
+
+def print_syscall_totals():
+	if for_comm is not None:
+		print("\nsyscall events for %s:\n" % (for_comm))
+	else:
+		print("\nsyscall events:\n")
+
+	print("%-40s  %10s" % ("event", "count"))
+	print("%-40s  %10s" % ("----------------------------------------",
+				"-----------"))
+
+	for id, val in sorted(syscalls.items(),
+			key = lambda kv: (kv[1], kv[0]), reverse = True):
+		print("%-40s  %10d" % (syscall_name(id), val))