Gris Ge cathay4t
westhood
/ proc_starttime.py
Created
July 9, 2011 13:36
get start time of process on linux via python
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| def proc_starttime(pid): | |
| p = re.compile(r"^btime (\d+)$", re.MULTILINE) | |
| m = p.search(open("/proc/stat").read()) | |
| btime = int(m.groups()[0]) | |
| clk_tck = os.sysconf(os.sysconf_names["SC_CLK_TCK"]) | |
| stime = int(open("/proc/%d/stat" % pid).read().split()[21]) / clk_tck | |
| return btime + stime |