06-13-2012
Writing only timing statistics output of Timer to File
I'm running long integrations on a remote server, and I'm working in terminal in a tcsh shell.
I'm looking to write ONLY the timing statistics to a file.
For example:
$time ls >timer.out
writes both the files in my current directory & the timer statistics to the file timer.out.
I only want: 0.001u 0.004s 0:00.46 0.0% 0+0k 1+1io 0pf+0w in the file.
Any help would be greatly appreciated.
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LEARN ABOUT CENTOS
struct_hrtimer
STRUCT
HRTIMER(9) Driver Basics STRUCT HRTIMER(9)
NAME
struct_hrtimer - the basic hrtimer structure
SYNOPSIS
struct hrtimer {
struct timerqueue_node node;
ktime_t _softexpires;
enum hrtimer_restart (* function) (struct hrtimer *);
struct hrtimer_clock_base * base;
unsigned long state;
#ifdef CONFIG_TIMER_STATS
int start_pid;
void * start_site;
char start_comm[16];
#endif
};
MEMBERS
node
timerqueue node, which also manages node.expires, the absolute expiry time in the hrtimers internal representation. The time is related
to the clock on which the timer is based. Is setup by adding slack to the _softexpires value. For non range timers identical to
_softexpires.
_softexpires
the absolute earliest expiry time of the hrtimer. The time which was given as expiry time when the timer was armed.
function
timer expiry callback function
base
pointer to the timer base (per cpu and per clock)
state
state information (See bit values above)
start_pid
timer statistics field to store the pid of the task which started the timer
start_site
timer statistics field to store the site where the timer was started
start_comm[16]
timer statistics field to store the name of the process which started the timer
DESCRIPTION
The hrtimer structure must be initialized by hrtimer_init
COPYRIGHT
Kernel Hackers Manual 3.10 June 2014 STRUCT HRTIMER(9)