summaryrefslogtreecommitdiffstats
path: root/kernel/tools/perf/scripts/python/syscall-counts-by-pid.py
diff options
context:
space:
mode:
Diffstat (limited to 'kernel/tools/perf/scripts/python/syscall-counts-by-pid.py')
-rw-r--r--kernel/tools/perf/scripts/python/syscall-counts-by-pid.py74
1 files changed, 74 insertions, 0 deletions
diff --git a/kernel/tools/perf/scripts/python/syscall-counts-by-pid.py b/kernel/tools/perf/scripts/python/syscall-counts-by-pid.py
new file mode 100644
index 000000000..daf314cc5
--- /dev/null
+++ b/kernel/tools/perf/scripts/python/syscall-counts-by-pid.py
@@ -0,0 +1,74 @@
+# 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.
+
+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\n" % (for_comm),
+ else:
+ print "\nsyscall events by comm/pid:\n\n",
+
+ print "%-40s %10s\n" % ("comm [pid]/syscalls", "count"),
+ print "%-40s %10s\n" % ("----------------------------------------", \
+ "----------"),
+
+ comm_keys = syscalls.keys()
+ for comm in comm_keys:
+ pid_keys = syscalls[comm].keys()
+ for pid in pid_keys:
+ print "\n%s [%d]\n" % (comm, pid),
+ id_keys = syscalls[comm][pid].keys()
+ for id, val in sorted(syscalls[comm][pid].iteritems(), \
+ key = lambda(k, v): (v, k), reverse = True):
+ print " %-38s %10d\n" % (syscall_name(id), val),