TIMERFIRES(1) BSD General Commands Manual TIMERFIRES(1)NAME
timerfires -- analyze timers as they fire
SYNOPSIS
timerfires [-t timeout] [-p pid | -n name] [-s]
DESCRIPTION
The timerfires utility lists timers as they fire.
The options are as follows:
-t timeout Run only for timeout seconds; then exit.
-p pid Analyze only timers from the process with process ID pid.
-n name Analyze only timers from processes with name name. It is an error to specify both -p and -n.
-s Show call stacks for "sleep"-type timers.
SAMPLE USAGE
timerfires -n MyApp -s -t 10
timerfires will run for ten seconds, displaying timer data for all instances of processes named "MyApp", including stacks.
OS X May 20, 2013 OS X
Check Out this Related Man Page
mktimer(3) Library Functions Manual mktimer(3)NAME
mktimer - Allocates a per-process timer
LIBRARY
Standard C Library (libc.a)
SYNOPSIS
#include <sys/timers.h>
timer_t mktimer( int clock_type, int notify_type, void *reserved) ;
PARAMETERS
Specifies the system-wide clock to be used as a per-process time base for the new timer. Specifies the mechanism by which a process is to
be notified when the per-process timer times out. Not used.
DESCRIPTION
The mktimer() function is used to allocate a per-process timer using a specified system-wide clock as its timebase. The mktimer() function
returns a unique timer ID of type timer_t, which is used to identify the timer in per-process timer requests.
Each implementation of per-process timers defines a set of clocks that can be used as a time base for per-process timers, and one or more
mechanisms for notifying the process that a per-process timer has expired. The Tru64 UNIX operating system allows each process to allocate
one per-process timer whose clock_type parameter is specified by the TIMEOFDAY symbolic constant, which is defined in the timers.h include
file, using the notification mechanism whose notify_type parameter is specified by the DELIVERY_SIGNALS symbolic constant.
When the notify_type parameter is specified as DELIVERY_SIGNALS, the system sends a SIGALRM signal to the process whenever the timer
expires.
NOTES
Per-process timers are not inherited by a child process across fork() or exec() functions.
The reserved parameter is not currently used, but is specified for future support of other delivery mechanisms.
The mktimer() function is part of the POSIX 1003.4 real time extensions, which is not an approved standard. As such, it is liable to
change. Trial use
RETURN VALUES
Upon successful completion, the mktimer() function returns a timer_t value, which may be passed to a per-process timer call. Otherwise,
mktimer() returns a value of (timer_t)-1 and sets errno to indicate the error.
ERRORS
If the mktimer() function fails, errno may be set to one of the following values: The calling process has already allocated all available
timers. The clock_type or notify_type parameter is invalid.
RELATED INFORMATION
Functions: exec(2), fork(2), getclock(3), gettimer(3), reltimer(3), rmtimer(3), setclock(3) delim off
mktimer(3)
Manufacturer Links
General Information
Home Page: IBM United States
Documentation/Information: IBM System p - UNIX servers: Support and services
pSeries and AIX Information Center
Developerworks AIX Wiki: AIX Wiki
AIX for System Administrators
In-depth information from IBM:
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