Re: boot tracing

2013-07-23 Thread Ingo Molnar
ris, the following workflow would be pretty intuitive: > >>> > >>> - kernel developer sets boot flag: perf=boot,freq=1khz,size=16MB > >>What does perf=boot mean? I assume boot tracing. > >In this case it would mean boot profiling - i.e. a cycles hardware-PMU &g

Re: boot tracing

2013-07-14 Thread Sam Ben
if the patches and the tooling support is ready enough yet for your purposes. Nope, not yet but we're getting there. Robert, Boris, the following workflow would be pretty intuitive: - kernel developer sets boot flag: perf=boot,freq=1khz,size=16MB What does perf=boot mean? I assume bo

Re: boot tracing

2013-07-12 Thread Ingo Molnar
hes and the tooling support is ready enough > > yet for your purposes. > > Nope, not yet but we're getting there. > > > Robert, Boris, the following workflow would be pretty intuitive: > > > > - kernel developer sets boot flag: perf=boot,freq=1khz,size=1

boot tracing

2013-07-12 Thread Borislav Petkov
> yet for your purposes. Nope, not yet but we're getting there. > Robert, Boris, the following workflow would be pretty intuitive: > > - kernel developer sets boot flag: perf=boot,freq=1khz,size=16MB What does perf=boot mean? I assume boot tracing. If so, does it mean we wan