On 9/2/13 4:30 AM, Sedat Dilek wrote:
On Sun, Sep 1, 2013 at 5:55 PM, Linus Torvalds
<torvalds@xxxxxxxxxxxxxxxxxxxx> wrote:
On Sun, Sep 1, 2013 at 8:45 AM, Sedat Dilek <sedat.dilek@xxxxxxxxx> wrote:
Samples: 160K of event 'cycles:pp', Event count (approx.): 77003901089
+ 12,46% t_lockref_from- [kernel.kallsyms] [k] irq_return
+ 4,86% t_lockref_from- [kernel.kallsyms] [k] lockref_get_or_lock
+ 4,42% t_lockref_from- [kernel.kallsyms] [k] __ticket_spin_lock
+ 4,28% t_lockref_from- [kernel.kallsyms] [k] __acct_update_integrals
You need to go into __ticket_spin_lock to see who the callers are.
Just go down to it and press enter to expand it (and then you need to
go and expand that entry too to get the callers)
I am new to perf usage.
One option for you is 'perf report --stdio ..'. That bypasses the tui.
David
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