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alarcher@pikku:/home/alarcher$ sudo dtrace -qn 'syscall:::entry /execname == "firefox"/ { self->ts = timestamp; } syscall:::return /self->ts/ { @[probefunc] = count(); } tick-60s { printa(@); exit(0) }' | |
Password: | |
mmap 1 | |
gtime 8 | |
yield 12 | |
lwp_kill 36 | |
lwp_sigmask 36 | |
setcontext 36 | |
getpid 120 | |
mprotect 170 | |
memcntl 253 | |
stat64 416 | |
writev 667 | |
sendmsg 774 | |
ioctl 1462 | |
write 5041 | |
read 5047 | |
rusagesys 6682 | |
lwp_park 11968 | |
pollsys 11987 | |
recvmsg 12698 |
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dtrace: description 'syscall:::entry ' matched 475 probes | |
CPU ID FUNCTION:NAME | |
1 80358 :tick-60s | |
key min .-----------------------------. max | count | |
gtime 256 : ▄▅▂ : 68719476736 | 8 | |
getpid 256 : ▄▃▄ : 68719476736 | 8 | |
rusagesys 256 : ▆▃ : 68719476736 | 4 | |
mmap 256 : ▅▅ : 68719476736 | 2 | |
yield 256 : ▅▃ ▃ : 68719476736 | 4 | |
lwp_sigmask 256 : ▃▆ : 68719476736 | 35 | |
setcontext 256 : █▁ : 68719476736 | 35 | |
writev 256 : ▂▇ : 68719476736 | 12 | |
sendmsg 256 : ▃▂▅▁ : 68719476736 | 18 | |
lwp_kill 256 : █ : 68719476736 | 35 | |
memcntl 256 : ▄▄▁▂ ▁ : 68719476736 | 22 | |
read 256 : ▁▂▅▂▁ : 68719476736 | 129 | |
mprotect 256 : ▄▅▁▁▁ : 68719476736 | 176 | |
write 256 : ▁▂▅▃▁ : 68719476736 | 125 | |
recvmsg 256 : ▃▅▂▁ : 68719476736 | 472 | |
stat64 256 : ▁▃▄▃▁ : 68719476736 | 416 | |
ioctl 256 : ▂▂▂ ▂▂▂ ▂▃▂ : 68719476736 | 26 | |
pollsys 256 : ▁▅▂▁ ▁▁▁▁ ▁▁▁▁▁▁▁▁▁▁▁ : 68719476736 | 437 | |
lwp_park 256 : ▁▁▃▂▁▁▁▁▁▂▁▁▁▁▁▁▁▁▁ ▁▂▁▁▁▁▁ : 68719476736 | 1718 |
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alarcher@pikku:/home/alarcher$ sudo dtrace -n 'syscall::lwp_park:entry /execname == "firefox"/ {self->ts = timestamp} syscall::lwp_park:return /self->ts/ {@[probefunc] = quantize(timestamp - self->ts); self->ts = 0; } tick-60s {printa(@); exit(0)}' | |
dtrace: description 'syscall::lwp_park:entry ' matched 3 probes | |
CPU ID FUNCTION:NAME | |
0 80358 :tick-60s | |
lwp_park | |
value ------------- Distribution ------------- count | |
512 | 0 | |
1024 |@ 47 | |
2048 |@@@@@@@@@ 382 | |
4096 |@@@@ 177 | |
8192 | 18 | |
16384 | 19 | |
32768 |@ 60 | |
65536 |@ 57 | |
131072 |@ 49 | |
262144 |@@@@@@@ 272 | |
524288 | 14 | |
1048576 |@ 31 | |
2097152 | 6 | |
4194304 | 0 | |
8388608 | 0 | |
16777216 | 0 | |
33554432 |@@@ 113 | |
67108864 | 2 | |
134217728 |@@@ 108 | |
268435456 | 1 | |
536870912 | 13 | |
1073741824 |@@@ 111 | |
2147483648 |@@ 99 | |
4294967296 |@ 33 | |
8589934592 | 6 | |
17179869184 | 1 | |
34359738368 | 0 |
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alarcher@pikku:/home/alarcher$ sudo dtrace -n 'syscall::lwp_park:entry /execname == "firefox"/ {self->ts = timestamp} syscall::lwp_park:return /self->ts/ {@[ustack()] = quantize(timestamp - self->ts); self->ts = 0; } tick-60s {printa(@); exit(0)}' | |
dtrace: description 'syscall::lwp_park:entry ' matched 3 probes | |
CPU ID FUNCTION:NAME | |
1 80358 :tick-60s | |
libc.so.1`__lwp_unpark+0x19 | |
libxul.so`_ZN8LockImpl6UnlockEv+0x18 | |
0xe5e5e501 | |
value ------------- Distribution ------------- count | |
1024 | 0 | |
2048 |@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ 1 | |
4096 | 0 | |
libc.so.1`__lwp_unpark+0x19 | |
libxul.so`_ZN2js6detail9MutexImpl6unlockEv+0x1b | |
0x400 | |
0x1 | |
value ------------- Distribution ------------- count | |
1024 | 0 | |
2048 |@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ 1 | |
4096 | 0 | |
libc.so.1`__lwp_unpark+0x19 | |
libxul.so`_ZN2js6detail9MutexImpl6unlockEv+0x1b | |
0x5 | |
0x1 | |
value ------------- Distribution ------------- count | |
1024 | 0 | |
2048 |@@@@@@@@@@@@@@@@@@@@ 3 | |
4096 |@@@@@@@@@@@@@@@@@@@@ 3 | |
8192 | 0 | |
libc.so.1`__lwp_park+0x19 | |
libc.so.1`mutex_lock_impl+0x291 | |
libc.so.1`mutex_lock+0x19 | |
libxul.so`_ZN8LockImpl4LockEv+0x18 | |
value ------------- Distribution ------------- count | |
16384 | 0 | |
32768 |@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ 1 | |
65536 | 0 | |
libc.so.1`__lwp_unpark+0x19 | |
libxul.so`_ZN2js6detail9MutexImpl6unlockEv+0x1b | |
0x5 | |
0xe5e5e501 | |
value ------------- Distribution ------------- count | |
1024 | 0 | |
2048 |@@@@@@@@@@@@@@@@@ 5 | |
4096 |@@@@@@@@@@@@@@@@@@@@@@@ 7 | |
8192 | 0 | |
libc.so.1`__lwp_unpark+0x19 | |
libxul.so`_ZN2js6detail9MutexImpl6unlockEv+0x1b | |
0x10400 | |
0x1 | |
value ------------- Distribution ------------- count | |
1024 | 0 | |
2048 |@@@@@@@ 2 | |
4096 |@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ 9 | |
8192 | 0 | |
libc.so.1`__lwp_unpark+0x19 | |
libxul.so`_ZN2js6detail9MutexImpl6unlockEv+0x1b | |
0x3 | |
0x1 | |
value ------------- Distribution ------------- count | |
1024 | 0 | |
2048 |@@@@@@@@@@@@@ 4 | |
4096 |@@@@@@@@@@@@@@@@@ 5 | |
8192 |@@@@@@@@@@ 3 | |
16384 | 0 | |
libc.so.1`__lwp_unpark+0x19 | |
libxul.so`_ZN2js6detail9MutexImpl6unlockEv+0x1b | |
0x8 | |
value ------------- Distribution ------------- count | |
512 | 0 | |
1024 |@@ 2 | |
2048 |@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ 34 | |
4096 | 0 | |
libc.so.1`__lwp_unpark+0x19 | |
libxul.so`_ZN2js6detail9MutexImpl6unlockEv+0x1b | |
0x3 | |
0xe5e5e501 | |
value ------------- Distribution ------------- count | |
1024 | 0 | |
2048 |@@@@@@@@@@@@@@@@@@@@@@@@@ 15 | |
4096 |@@@@@ 3 | |
8192 |@@@@@@@@@@ 6 | |
16384 | 0 | |
libc.so.1`__lwp_park+0x19 | |
libc.so.1`mutex_lock_impl+0x291 | |
libc.so.1`cond_wait_queue+0x7f | |
libc.so.1`__cond_wait+0x8f | |
libc.so.1`cond_wait+0x2e | |
libc.so.1`pthread_cond_wait+0x24 | |
libxul.so`_ZN2js17ConditionVariable4waitERNS_9LockGuardINS_5MutexEEE+0x21 | |
value ------------- Distribution ------------- count | |
8192 | 0 | |
16384 |@@@@@@@@@@@@@@@@@@@@@@@@@@@ 2 | |
32768 | 0 | |
65536 |@@@@@@@@@@@@@ 1 | |
131072 | 0 | |
libc.so.1`__lwp_unpark+0x19 | |
libxul.so`_ZN2js6detail9MutexImpl6unlockEv+0x1b | |
0x10400 | |
0xe5e5e501 | |
value ------------- Distribution ------------- count | |
1024 | 0 | |
2048 |@@ 1 | |
4096 |@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ 22 | |
8192 | 0 | |
16384 |@@ 1 | |
32768 | 0 | |
libc.so.1`__lwp_unpark+0x19 | |
libxul.so`_ZN2js6detail9MutexImpl6unlockEv+0x1b | |
0x8 | |
0x10400 | |
0x4d580000 | |
value ------------- Distribution ------------- count | |
1024 | 0 | |
2048 |@@@@@@@@@@ 9 | |
4096 |@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ 26 | |
8192 | 0 | |
libc.so.1`__lwp_park+0x19 | |
libc.so.1`mutex_lock_impl+0x291 | |
libc.so.1`mutex_lock+0x19 | |
libxul.so`_ZN2js6detail9MutexImpl4lockEv+0x1b | |
0x8 | |
0x400 | |
0x4d580000 | |
value ------------- Distribution ------------- count | |
1024 | 0 | |
2048 |@@@@@@@@@@ 1 | |
4096 | 0 | |
8192 | 0 | |
16384 | 0 | |
32768 |@@@@@@@@@@ 1 | |
65536 |@@@@@@@@@@@@@@@@@@@@ 2 | |
131072 | 0 | |
libc.so.1`__lwp_unpark+0x19 | |
libnspr4.so`pt_PostNotifies+0xfb | |
value ------------- Distribution ------------- count | |
512 | 0 | |
1024 |@@@@@@@@@@ 18 | |
2048 |@@@@@@@@@@@@@@@@ 29 | |
4096 |@@@@@@@@@@@@@@ 26 | |
8192 | 0 | |
libc.so.1`__lwp_unpark+0x19 | |
libnspr4.so`pt_PostNotifies+0xfb | |
value ------------- Distribution ------------- count | |
1024 | 0 | |
2048 |@@ 3 | |
4096 |@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ 45 | |
8192 |@ 1 | |
16384 | 0 | |
libc.so.1`__lwp_unpark+0x19 | |
libxul.so`_ZN17ConditionVariable9BroadcastEv+0x18 | |
0xe5e5e501 | |
value ------------- Distribution ------------- count | |
2048 | 0 | |
4096 |@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ 54 | |
8192 |@@@@@@ 10 | |
16384 | 0 | |
libc.so.1`__lwp_park+0x19 | |
libc.so.1`cond_wait_queue+0x6a | |
libc.so.1`__cond_wait+0x8f | |
libc.so.1`cond_wait+0x2e | |
libc.so.1`pthread_cond_wait+0x24 | |
libxul.so`_ZN2js17ConditionVariable4waitERNS_9LockGuardINS_5MutexEEE+0x21 | |
0xe95fe704 | |
0x1 | |
value ------------- Distribution ------------- count | |
8192 | 0 | |
16384 |@@@@@@@@@@@@@@@@@@@@@@@@ 6 | |
32768 |@@@@@@@@@@@@ 3 | |
65536 | 0 | |
131072 |@@@@ 1 | |
262144 | 0 | |
libc.so.1`__lwp_unpark+0x19 | |
libxul.so`_ZN2js6detail9MutexImpl6unlockEv+0x1b | |
value ------------- Distribution ------------- count | |
512 | 0 | |
1024 |@@@@@ 17 | |
2048 |@@@@@@@@@@@@@@@@@@@@@ 73 | |
4096 |@@@@@@@@@@@@@@ 51 | |
8192 | 1 | |
16384 | 0 | |
libc.so.1`__lwp_park+0x19 | |
libc.so.1`cond_wait_queue+0x6a | |
libc.so.1`__cond_wait+0x8f | |
libc.so.1`cond_wait+0x2e | |
libc.so.1`pthread_cond_wait+0x24 | |
libxul.so`_ZN2js17ConditionVariable4waitERNS_9LockGuardINS_5MutexEEE+0x21 | |
0xe49fe704 | |
0xe5e5e501 | |
value ------------- Distribution ------------- count | |
4096 | 0 | |
8192 |@@@@@@@ 2 | |
16384 |@@@@@@@ 2 | |
32768 |@@@@@@@@@@@@@@@@@ 5 | |
65536 |@@@@@@@ 2 | |
131072 |@@@ 1 | |
262144 | 0 | |
libc.so.1`__lwp_unpark+0x19 | |
libxul.so`_ZN2js6detail9MutexImpl6unlockEv+0x1b | |
0x8 | |
0x400 | |
0x4d580000 | |
value ------------- Distribution ------------- count | |
512 | 0 | |
1024 | 1 | |
2048 |@@@@@@@@@@@@@@@@@@ 74 | |
4096 |@@@@@@@@@@@@@@@@@@@@@ 84 | |
8192 | 2 | |
16384 | 0 | |
libc.so.1`__lwp_park+0x19 | |
libc.so.1`cond_wait_queue+0x6a | |
libc.so.1`__cond_wait+0x8f | |
libc.so.1`cond_wait+0x2e | |
libc.so.1`pthread_cond_wait+0x24 | |
libxul.so`_ZN2js17ConditionVariable4waitERNS_9LockGuardINS_5MutexEEE+0x21 | |
0xf0ffe704 | |
0xe5e5e501 | |
value ------------- Distribution ------------- count | |
4096 | 0 | |
8192 |@@@@ 1 | |
16384 |@@@@@@@@ 2 | |
32768 |@@@@@@@@@@@@ 3 | |
65536 |@@@@@@@@ 2 | |
131072 |@@@@@@@@ 2 | |
262144 | 0 | |
libc.so.1`__lwp_park+0x19 | |
libc.so.1`cond_wait_queue+0x6a | |
libc.so.1`__cond_wait+0x8f | |
libc.so.1`cond_wait+0x2e | |
libc.so.1`pthread_cond_wait+0x24 | |
libxul.so`_ZN2js17ConditionVariable4waitERNS_9LockGuardINS_5MutexEEE+0x21 | |
0x1 | |
value ------------- Distribution ------------- count | |
65536 | 0 | |
131072 |@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ 11 | |
262144 |@@@ 1 | |
524288 | 0 | |
libc.so.1`__lwp_park+0x19 | |
libc.so.1`cond_wait_queue+0x6a | |
libc.so.1`__cond_wait+0x8f | |
libc.so.1`cond_wait+0x2e | |
libc.so.1`pthread_cond_wait+0x24 | |
libxul.so`_ZN2js17ConditionVariable4waitERNS_9LockGuardINS_5MutexEEE+0x21 | |
0xe5e5e501 | |
value ------------- Distribution ------------- count | |
65536 | 0 | |
131072 |@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ 22 | |
262144 |@@@ 2 | |
524288 | 0 | |
libc.so.1`__lwp_park+0x19 | |
libc.so.1`cond_wait_queue+0x6a | |
libc.so.1`cond_wait_common+0x27b | |
libc.so.1`__cond_timedwait+0x85 | |
libc.so.1`cond_timedwait+0x35 | |
libc.so.1`pthread_cond_timedwait+0x2b | |
libxul.so`_ZN17ConditionVariable9TimedWaitERKN4base9TimeDeltaE+0xb3 | |
value ------------- Distribution ------------- count | |
65536 | 0 | |
131072 |@@@ 4 | |
262144 | 0 | |
524288 | 0 | |
1048576 | 0 | |
2097152 | 0 | |
4194304 | 0 | |
8388608 | 0 | |
16777216 | 0 | |
33554432 |@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ 56 | |
67108864 | 0 | |
libc.so.1`__lwp_park+0x19 | |
libc.so.1`cond_wait_queue+0x6a | |
libc.so.1`__cond_wait+0x8f | |
libc.so.1`cond_wait+0x2e | |
libc.so.1`pthread_cond_wait+0x24 | |
libnspr4.so`PR_WaitCondVar+0x61 | |
value ------------- Distribution ------------- count | |
1073741824 | 0 | |
2147483648 |@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ 1 | |
4294967296 | 0 | |
libc.so.1`__lwp_park+0x19 | |
libc.so.1`cond_wait_queue+0x6a | |
libc.so.1`cond_wait_common+0x27b | |
libc.so.1`__cond_timedwait+0x85 | |
libc.so.1`cond_timedwait+0x35 | |
libc.so.1`pthread_cond_timedwait+0x2b | |
libnspr4.so`pt_TimedWait+0x9e | |
value ------------- Distribution ------------- count | |
32768 | 0 | |
65536 |@@@@@@@@@@@@@ 37 | |
131072 |@ 2 | |
262144 |@ 4 | |
524288 |@@ 6 | |
1048576 |@ 3 | |
2097152 | 0 | |
4194304 | 0 | |
8388608 | 0 | |
16777216 | 0 | |
33554432 |@ 2 | |
67108864 |@ 2 | |
134217728 |@@@@@@@@@@@@@@@@@ 46 | |
268435456 | 0 | |
536870912 |@@ 6 | |
1073741824 |@ 2 | |
2147483648 | 0 | |
4294967296 | 0 | |
8589934592 | 0 | |
17179869184 | 1 | |
34359738368 | 0 | |
libc.so.1`__lwp_park+0x19 | |
libc.so.1`cond_wait_queue+0x6a | |
libc.so.1`cond_wait_common+0x27b | |
libc.so.1`__cond_timedwait+0x85 | |
libc.so.1`cond_timedwait+0x35 | |
libc.so.1`pthread_cond_timedwait+0x2b | |
libnspr4.so`pt_TimedWait+0x9e | |
value ------------- Distribution ------------- count | |
4096 | 0 | |
8192 | 1 | |
16384 | 0 | |
32768 | 0 | |
65536 | 0 | |
131072 | 0 | |
262144 | 0 | |
524288 | 0 | |
1048576 |@@@@@@@@@@@@@ 30 | |
2097152 |@@@ 6 | |
4194304 | 0 | |
8388608 | 0 | |
16777216 | 0 | |
33554432 | 0 | |
67108864 |@@@@@ 12 | |
134217728 |@@ 5 | |
268435456 | 1 | |
536870912 | 0 | |
1073741824 |@@@@@@@@@@@@@@@@ 35 | |
2147483648 | 0 | |
libc.so.1`__lwp_park+0x19 | |
libc.so.1`cond_wait_queue+0x6a | |
libc.so.1`__cond_wait+0x8f | |
libc.so.1`cond_wait+0x2e | |
libc.so.1`pthread_cond_wait+0x24 | |
libxul.so`_ZN17ConditionVariable4WaitEv+0x1c | |
0x43560000 | |
value ------------- Distribution ------------- count | |
16777216 | 0 | |
33554432 |@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ 52 | |
67108864 | 0 | |
134217728 | 0 | |
268435456 | 0 | |
536870912 | 0 | |
1073741824 | 0 | |
2147483648 | 0 | |
4294967296 | 0 | |
8589934592 |@@@@ 6 | |
17179869184 | 0 | |
libc.so.1`__lwp_park+0x19 | |
libc.so.1`cond_wait_queue+0x6a | |
libc.so.1`__cond_wait+0x8f | |
libc.so.1`cond_wait+0x2e | |
libc.so.1`pthread_cond_wait+0x24 | |
libnspr4.so`PR_WaitCondVar+0x61 | |
value ------------- Distribution ------------- count | |
2147483648 | 0 | |
4294967296 |@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ 33 | |
8589934592 | 0 | |
libc.so.1`__lwp_park+0x19 | |
libc.so.1`cond_wait_queue+0x6a | |
libc.so.1`__cond_wait+0x8f | |
libc.so.1`cond_wait+0x2e | |
libc.so.1`pthread_cond_wait+0x24 | |
libxul.so`_ZN2js17ConditionVariable4waitERNS_9LockGuardINS_5MutexEEE+0x21 | |
value ------------- Distribution ------------- count | |
512 | 0 | |
1024 | 1 | |
2048 | 0 | |
4096 | 1 | |
8192 | 7 | |
16384 |@ 9 | |
32768 |@@ 39 | |
65536 |@@@ 50 | |
131072 |@ 11 | |
262144 |@@@@@@@@@@@@@@@ 262 | |
524288 |@ 19 | |
1048576 | 0 | |
2097152 | 0 | |
4194304 | 0 | |
8388608 | 0 | |
16777216 | 0 | |
33554432 | 0 | |
67108864 |@@@@@@ 96 | |
134217728 | 0 | |
268435456 | 0 | |
536870912 | 0 | |
1073741824 |@@@@@ 88 | |
2147483648 |@@@@@@ 96 | |
4294967296 | 0 | |
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alarcher@pikku:/home/alarcher$ prstat -mLc -p $(pgrep firefox) | |
Please wait... | |
PID USERNAME USR SYS TRP TFL DFL LCK SLP LAT VCX ICX SCL SIG PROCESS/LWPID | |
18821 alarcher 0.3 0.0 0.0 0.0 0.0 0.0 100 0.0 .2M 25K .19 0 firefox/1 | |
18821 alarcher 0.0 0.0 0.0 0.0 0.0 100 0.0 0.0 997 1K .10 0 firefox/36 | |
18821 alarcher 0.0 0.0 0.0 0.0 0.0 100 0.0 0.0 19K 1K 77K 3K firefox/51 | |
18821 alarcher 0.0 0.0 0.0 0.0 0.0 100 0.0 0.0 20K 2K 70K 3K firefox/35 | |
18821 alarcher 0.0 0.0 0.0 0.0 0.0 100 0.0 0.0 .1M 5K .2M 0 firefox/22 | |
18821 alarcher 0.0 0.0 0.0 0.0 0.0 100 0.0 0.0 19K 1K 64K 3K firefox/63 | |
18821 alarcher 0.0 0.0 0.0 0.0 0.0 100 0.0 0.0 3K 735 7K 0 firefox/78 | |
18821 alarcher 0.0 0.0 0.0 0.0 0.0 0.0 100 0.0 8K 1K 59K 0 firefox/5 | |
18821 alarcher 0.0 0.0 0.0 0.0 0.0 100 0.0 0.0 71K 323 .1M 0 firefox/4 | |
18821 alarcher 0.0 0.0 0.0 0.0 0.0 0.0 100 0.0 49K 3K .1M 0 firefox/2 | |
18821 alarcher 0.0 0.0 0.0 0.0 0.0 100 0.0 0.0 34K 257 72K 0 firefox/27 | |
18821 alarcher 0.0 0.0 0.0 0.0 0.0 100 0.0 0.0 25K 339 38K 0 firefox/12 | |
18821 alarcher 0.0 0.0 0.0 0.0 0.0 100 0.0 0.0 25K 345 38K 0 firefox/9 | |
18821 alarcher 0.0 0.0 0.0 0.0 0.0 100 0.0 0.0 25K 328 39K 0 firefox/14 | |
18821 alarcher 0.0 0.0 0.0 0.0 0.0 100 0.0 0.0 25K 301 37K 0 firefox/13 | |
Total: 1 processes, 48 lwps, load averages: 0.01, 0.01, 0.03 |
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dtrace -x ustackframes=100 -n 'profile-99 /execname == "firefox"/ { @[stack(), ustack()] = count(); } tick-120s { exit(0); }' -o ff52.stksk |
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