6fae8663c9
Before patch:
$ uname -m
ppc64le
$ ./perf script -s ./scripts/python/syscall-counts.py
Install the audit-libs-python package to get syscall names.
For example:
# apt-get install python-audit (Ubuntu)
# yum install audit-libs-python (Fedora)
etc.
Press control+C to stop and show the summary
^CWarning:
4 out of order events recorded.
syscall events:
event count
---------------------------------------- -----------
4 504638
54 1206
221 42
55 21
3 12
167 10
11 8
6 7
125 6
5 6
108 5
162 4
90 4
45 3
33 3
311 1
246 1
238 1
93 1
91 1
After patch:
./perf script -s ./scripts/python/syscall-counts.py
Press control+C to stop and show the summary
^CWarning:
5 out of order events recorded.
syscall events:
event count
---------------------------------------- -----------
write 643411
ioctl 1206
futex 54
fcntl 27
poll 14
read 12
execve 8
close 7
mprotect 6
open 6
nanosleep 5
fstat 5
mmap 4
inotify_add_watch 3
brk 3
access 3
timerfd_settime 1
clock_gettime 1
epoll_wait 1
ftruncate 1
munmap 1
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
Acked-by: Paul Clarke <pc@us.ibm.com>
Cc: linuxppc-dev@lists.ozlabs.org
Link: http://lkml.kernel.org/n/tip-bnl67p1alkvx97pn9moxz3qp@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
91 lines
2.1 KiB
Python
91 lines
2.1 KiB
Python
# Util.py - Python extension for perf script, miscellaneous utility code
|
|
#
|
|
# Copyright (C) 2010 by Tom Zanussi <tzanussi@gmail.com>
|
|
#
|
|
# This software may be distributed under the terms of the GNU General
|
|
# Public License ("GPL") version 2 as published by the Free Software
|
|
# Foundation.
|
|
|
|
import errno, os
|
|
|
|
FUTEX_WAIT = 0
|
|
FUTEX_WAKE = 1
|
|
FUTEX_PRIVATE_FLAG = 128
|
|
FUTEX_CLOCK_REALTIME = 256
|
|
FUTEX_CMD_MASK = ~(FUTEX_PRIVATE_FLAG | FUTEX_CLOCK_REALTIME)
|
|
|
|
NSECS_PER_SEC = 1000000000
|
|
|
|
def avg(total, n):
|
|
return total / n
|
|
|
|
def nsecs(secs, nsecs):
|
|
return secs * NSECS_PER_SEC + nsecs
|
|
|
|
def nsecs_secs(nsecs):
|
|
return nsecs / NSECS_PER_SEC
|
|
|
|
def nsecs_nsecs(nsecs):
|
|
return nsecs % NSECS_PER_SEC
|
|
|
|
def nsecs_str(nsecs):
|
|
str = "%5u.%09u" % (nsecs_secs(nsecs), nsecs_nsecs(nsecs)),
|
|
return str
|
|
|
|
def add_stats(dict, key, value):
|
|
if not dict.has_key(key):
|
|
dict[key] = (value, value, value, 1)
|
|
else:
|
|
min, max, avg, count = dict[key]
|
|
if value < min:
|
|
min = value
|
|
if value > max:
|
|
max = value
|
|
avg = (avg + value) / 2
|
|
dict[key] = (min, max, avg, count + 1)
|
|
|
|
def clear_term():
|
|
print("\x1b[H\x1b[2J")
|
|
|
|
audit_package_warned = False
|
|
|
|
try:
|
|
import audit
|
|
machine_to_id = {
|
|
'x86_64': audit.MACH_86_64,
|
|
'alpha' : audit.MACH_ALPHA,
|
|
'ia64' : audit.MACH_IA64,
|
|
'ppc' : audit.MACH_PPC,
|
|
'ppc64' : audit.MACH_PPC64,
|
|
'ppc64le' : audit.MACH_PPC64LE,
|
|
's390' : audit.MACH_S390,
|
|
's390x' : audit.MACH_S390X,
|
|
'i386' : audit.MACH_X86,
|
|
'i586' : audit.MACH_X86,
|
|
'i686' : audit.MACH_X86,
|
|
}
|
|
try:
|
|
machine_to_id['armeb'] = audit.MACH_ARMEB
|
|
except:
|
|
pass
|
|
machine_id = machine_to_id[os.uname()[4]]
|
|
except:
|
|
if not audit_package_warned:
|
|
audit_package_warned = True
|
|
print "Install the audit-libs-python package to get syscall names.\n" \
|
|
"For example:\n # apt-get install python-audit (Ubuntu)" \
|
|
"\n # yum install audit-libs-python (Fedora)" \
|
|
"\n etc.\n"
|
|
|
|
def syscall_name(id):
|
|
try:
|
|
return audit.audit_syscall_to_name(id, machine_id)
|
|
except:
|
|
return str(id)
|
|
|
|
def strerror(nr):
|
|
try:
|
|
return errno.errorcode[abs(nr)]
|
|
except:
|
|
return "Unknown %d errno" % nr
|