summaryrefslogtreecommitdiffstats
path: root/tools/perf/scripts/python/syscall-counts-by-pid.py
diff options
context:
space:
mode:
Diffstat (limited to 'tools/perf/scripts/python/syscall-counts-by-pid.py')
-rw-r--r--tools/perf/scripts/python/syscall-counts-by-pid.py75
1 files changed, 75 insertions, 0 deletions
diff --git a/tools/perf/scripts/python/syscall-counts-by-pid.py b/tools/perf/scripts/python/syscall-counts-by-pid.py
new file mode 100644
index 000000000..f254e40c6
--- /dev/null
+++ b/tools/perf/scripts/python/syscall-counts-by-pid.py
@@ -0,0 +1,75 @@
+# system call counts, by pid
+# (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, 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-by-pid.py [comm]\n";
+
+for_comm = None
+for_pid = None
+
+if len(sys.argv) > 2:
+ sys.exit(usage)
+
+if len(sys.argv) > 1:
+ try:
+ for_pid = int(sys.argv[1])
+ except:
+ 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 and common_comm != for_comm) or \
+ (for_pid and common_pid != for_pid ):
+ return
+ try:
+ syscalls[common_comm][common_pid][id] += 1
+ except TypeError:
+ syscalls[common_comm][common_pid][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 by comm/pid:\n")
+
+ print("%-40s %10s" % ("comm [pid]/syscalls", "count"))
+ print("%-40s %10s" % ("----------------------------------------",
+ "----------"))
+
+ comm_keys = syscalls.keys()
+ for comm in comm_keys:
+ pid_keys = syscalls[comm].keys()
+ for pid in pid_keys:
+ print("\n%s [%d]" % (comm, pid))
+ id_keys = syscalls[comm][pid].keys()
+ for id, val in sorted(syscalls[comm][pid].items(),
+ key = lambda kv: (kv[1], kv[0]), reverse = True):
+ print(" %-38s %10d" % (syscall_name(id), val))