Monitoring a process which was exec'd using the -c
switch.
$ pfexec dtrace -n 'profile-97/pid == $target && arg1/{@[jstack(100, 8000)] = count(); } tick-60s { exit(0); }' -c node
dtrace: description 'profile-97' matched 2 probes
> dtrace: pid 79919 has exited
node`ares__read_line
node`_ZN4node10cares_wrapL10InitializeEN2v86HandleINS1_6ObjectEEE+0x6a
node`_ZN4nodeL7BindingERKN2v89ArgumentsE+0xe8
node`_ZN2v88internalL21Builtin_HandleApiCallENS0_12_GLOBAL__N_116BuiltinArgumentsILNS0_21BuiltinExtraArgumentsE1EEEPNS0_7IsolateE+0x1a5
<< internal code >>
(anon) as (anon) at net.js position 2
<< adaptor >>
(anon) as NativeModule.compile at node.js position 55464
(anon) as NativeModule.require at node.js position 53454
(anon) as (anon) at tty.js position 2
<< adaptor >>
(anon) as NativeModule.compile at node.js position 55464
(anon) as NativeModule.require at node.js position 53454
startup at node.js position 2892
(anon) as (anon) at node.js position 2802
<< internal >>
<< entry >>
node`_ZN2v88internalL6InvokeEbNS0_6HandleINS0_10JSFunctionEEENS1_INS0_6ObjectEEEiPS5_Pb+0xf7
node`_ZN2v88internal9Execution4CallENS0_6HandleINS0_6ObjectEEES4_iPS4_Pbb+0xc8
node`_ZN2v88Function4CallENS_6HandleINS_6ObjectEEEiPNS1_INS_5ValueEEE+0x14a
node`_ZN4node4LoadEN2v86HandleINS0_6ObjectEEE+0xf5
node`_ZN4node5StartEiPPc+0x139
node`_start+0x6c
1
node`_ZN2v88internal12RegExpParser11ParseRegExpEPNS0_16FlatStringReaderEbPNS0_17RegExpCompileDataEPNS0_4ZoneE
node`_ZN2v88internal21Runtime_RegExpCompileENS0_9ArgumentsEPNS0_7IsolateE+0xf3
<< internal code >>
DoConstructRegExp at native regexp.js line 243
0x3d953181dc06
<< constructor >>
<< internal >>
<< entry_construt >>
node`_ZN2v88internalL6InvokeEbNS0_6HandleINS0_10JSFunctionEEENS1_INS0_6ObjectEEEiPS5_Pb+0xf7
node`_ZN2v88internal9Execution3NewENS0_6HandleINS0_10JSFunctionEEEiPNS2_INS0_6ObjectEEEPb+0x88
node`_ZN2v88internal10RegExpImpl19CreateRegExpLiteralENS0_6HandleINS0_10JSFunctionEEENS2_INS0_6StringEEES6_Pb+0x1e
node`_ZN2v88internal32Runtime_MaterializeRegExpLiteralENS0_9ArgumentsEPNS0_7IsolateE+0x10f
<< internal code >>
(anon) as (anon) at util.js position 2
<< adaptor >>
(anon) as NativeModule.compile at node.js position 55464
(anon) as NativeModule.require at node.js position 53454
(anon) as (anon) at assert.js position 2
<< adaptor >>
(anon) as NativeModule.compile at node.js position 55464
(anon) as NativeModule.require at node.js position 53454
failed to print aggregations: Resource temporarily unavailable
Monitoring another process which I ran in another terminal.
$ pfexec dtrace -n 'profile-97/execname == "node" && arg1/{@[jstack(100, 8000)] = count(); } tick-60s { exit(0); }'
dtrace: description 'profile-97' matched 2 probes
^C
0xfffffd7ffec5ff40
0xfffffd7ffec5c4b0
0xfffffd7ffec5e28b
0xfffffd7ffec5a9ff
0xfffffd7ffd6e11ce
0xacdd93
0x98a329
0x7490a6
0x7490dd
0x6c08a3
1
0x97a556
0x97b3d4
0x97b78d
0x1b69ee10618e
0x1b69ee153a4f
0x1b69ee1898ac
0x1b69ee187454
0x1b69ee177a0a
0x1b69ee10a96e
0x1b69ee1790e1
0x1b69ee1779dd
0x1b69ee17b4aa
0x1b69ee17b3db
0x1b69ee18608c
0x1b69ee185ccd
0x1b69ee1847c4
0x1b69ee1245e7
0x1b69ee1118b7
0x90ac27
0x90c468
0x8d2cfa
0x7506bf
0x7638ea
0x8b36ab
0x8b3b77
0x8b86e5
0x8ac9f4
0x752138
0x6c08ac
1
0xfffffd7ffebe1283
0x97abb2
0x97b3d4
0x97b78d
0x1b69ee10618e
0x1b69ee141185
0x1b69ee152295
0x1b69ee151431
0x1b69ee10a96e
0x1b69ee15115e
0x1b69ee12d05d
0x1b69ee12c425
0x1b69ee1245e7
0x1b69ee1118b7
0x90ac27
0x90c468
0x8d2cfa
0x750c55
0x752129
0x6c08ac
1
0x9e7ed3
0x9e86a5
0x9e8c17
0x9e8e9a
0x9e9557
0x9ea556
0x9ea765
0x9eba03
0x9f1ac1
0x9e4b58
0x9e4ed5
0x9e5bad
0x9e7eb7
0x9e86a5
0x9e8c17
0x9e9557
0x9ea556
0x9ea765
0x9ea810
0x9eba03
0x9f1cdd
0x9e4936
0x9e4ed5
0x9e5bad
0x9e7eb7
0x9e86a5
0x9e8c17
0x9e9557
0x9ea556
0x9ea765
0x9eba03
0x9e7ba3
0x9e7edb
0x9e86a5
0x9e8c17
0x9e9557
0x9ea556
0x9ea765
0x9eba03
0x9f1cdd
0x9e4936
0x9eda5a
0x9e4e80
0x9eeda1
0x9ef201
0x9ef6ac
0x8f4c69
0x8f5813
0x8ca019
0x8ca260
0x8ca3ba
0x6c6785
0x760d99
0x8eb6a5
0x1b69ee10618e
0x1b69ee12dc0c
0x1b69ee12d468
0x1b69ee132ef6
0x1b69ee12c945
0x1b69ee12c425
0x1b69ee1245e7
0x1b69ee1118b7
0x90ac27
0x90c468
0x8d2cfa
0x750c55
0x752129
0x6c08ac
1