On Tue, Jan 19, 2021 at 02:37:42PM +0900, Namhyung Kim wrote:
SNIP
> >
> > +static int check_lock(struct daemon *daemon)
> > +{
> > + char path[PATH_MAX];
> > + char buf[20];
> > + int fd, pid;
> > + ssize_t len;
> > +
> > + scnprintf(path, sizeof(path), "%s/lock", d
On Sun, Jan 3, 2021 at 7:05 AM Jiri Olsa wrote:
>
> Add 'lock' file under daemon base and flock it, so only one
> perf daemon can run on top of it.
>
> Example:
>
> # cat ~/.perfconfig
> [daemon]
> base=/opt/perfdata
>
> [session-cycles]
> run = -m 10M -e cycles --overwrite --switch-outp
Add 'lock' file under daemon base and flock it, so only one
perf daemon can run on top of it.
Example:
# cat ~/.perfconfig
[daemon]
base=/opt/perfdata
[session-cycles]
run = -m 10M -e cycles --overwrite --switch-output -a
[session-sched]
run = -m 20M -e sched:* --overwrite --switc
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