a64fa198ba
. Print message at script start telling how to get te summary . Print the syscall names . Accept both pid (if numeric) or COMM name Now it looks like this: [root@emilia tmp]# perf trace syscall-counts-by-pid Press control+C to stop and show the summary ^C syscall events by comm/pid: comm [pid]/syscalls count ---------------------------------------- ---------- automount [1670] futex 2 sshd [2322] rt_sigprocmask 4 select 2 write 1 read 1 perf [15178] read 2506 open 794 close 769 write 240 getdents 112 lseek 16 stat 9 perf_counter_open 5 fcntl 5 mmap 5 statfs 2 perf [15179] read 56701 open 499 stat 176 fstat 149 close 109 mmap 98 brk 75 rt_sigaction 66 munmap 42 mprotect 24 lstat 7 lseek 5 getdents 4 ioctl 3 readlink 2 futex 1 statfs 1 getegid 1 geteuid 1 getgid 1 getuid 1 getrlimit 1 fcntl 1 uname 1 write 1 [root@emilia tmp]# fg -bash: fg: current: no such job [root@emilia tmp]# perf trace syscall-counts-by-pid 2322 Press control+C to stop and show the summary ^C syscall events by comm/pid: comm [pid]/syscalls count ---------------------------------------- ---------- sshd [2322] rt_sigprocmask 4 select 2 write 1 read 1 [root@emilia tmp]# perf trace syscall-counts-by-pid sshd Press control+C to stop and show the summary ^C syscall events for sshd: comm [pid]/syscalls count ---------------------------------------- ---------- sshd [2322] rt_sigprocmask 4 select 2 write 1 read 1 [root@emilia tmp]# Cc: David S. Miller <davem@davemloft.net> 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>
70 lines
1.9 KiB
Python
70 lines
1.9 KiB
Python
# system call counts, by pid
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# (c) 2010, Tom Zanussi <tzanussi@gmail.com>
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# Licensed under the terms of the GNU GPL License version 2
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#
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# Displays system-wide system call totals, broken down by syscall.
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# If a [comm] arg is specified, only syscalls called by [comm] are displayed.
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import os, sys
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sys.path.append(os.environ['PERF_EXEC_PATH'] + \
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'/scripts/python/Perf-Trace-Util/lib/Perf/Trace')
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from perf_trace_context import *
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from Core import *
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from Util import syscall_name
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usage = "perf trace -s syscall-counts-by-pid.py [comm]\n";
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for_comm = None
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for_pid = None
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if len(sys.argv) > 2:
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sys.exit(usage)
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if len(sys.argv) > 1:
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try:
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for_pid = int(sys.argv[1])
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except:
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for_comm = sys.argv[1]
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syscalls = autodict()
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def trace_begin():
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print "Press control+C to stop and show the summary"
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def trace_end():
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print_syscall_totals()
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def raw_syscalls__sys_enter(event_name, context, common_cpu,
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common_secs, common_nsecs, common_pid, common_comm,
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id, args):
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if (for_comm and common_comm != for_comm) or \
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(for_pid and common_pid != for_pid ):
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return
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try:
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syscalls[common_comm][common_pid][id] += 1
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except TypeError:
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syscalls[common_comm][common_pid][id] = 1
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def print_syscall_totals():
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if for_comm is not None:
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print "\nsyscall events for %s:\n\n" % (for_comm),
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else:
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print "\nsyscall events by comm/pid:\n\n",
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print "%-40s %10s\n" % ("comm [pid]/syscalls", "count"),
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print "%-40s %10s\n" % ("----------------------------------------", \
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"----------"),
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comm_keys = syscalls.keys()
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for comm in comm_keys:
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pid_keys = syscalls[comm].keys()
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for pid in pid_keys:
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print "\n%s [%d]\n" % (comm, pid),
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id_keys = syscalls[comm][pid].keys()
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for id, val in sorted(syscalls[comm][pid].iteritems(), \
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key = lambda(k, v): (v, k), reverse = True):
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print " %-38s %10d\n" % (syscall_name(id), val),
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