File: timer-jiffies.stp

package info (click to toggle)
systemtap 1.2-5%2Bsqueeze1
  • links: PTS, VCS
  • area: main
  • in suites: squeeze
  • size: 13,972 kB
  • ctags: 7,842
  • sloc: ansic: 35,121; cpp: 29,336; exp: 7,535; xml: 6,878; sh: 6,719; perl: 2,067; tcl: 821; makefile: 545; python: 473; ruby: 419
file content (10 lines) | stat: -rw-r--r-- 274 bytes parent folder | download | duplicates (10)
1
2
3
4
5
6
7
8
9
10
global count_jiffies, count_ms
probe timer.jiffies(100) { count_jiffies ++ }
probe timer.ms(100) { count_ms ++ }
probe timer.ms(12345) 
{
  hz=(1000*count_jiffies) / count_ms
  printf ("jiffies:ms ratio %d:%d => CONFIG_HZ=%d\n",
    count_jiffies, count_ms, hz)
  exit ()
}