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    SubjectRe: [PATCH 4/8] PM: suspend_block: Add debugfs file
    From
    2010/5/4 Andi Kleen <andi@halobates.de>:
    > Arve Hjønnevåg <arve@android.com> writes:
    >>
    >> +static int suspend_blocker_stats_show(struct seq_file *m, void *unused)
    >> +{
    >> +     unsigned long irqflags;
    >> +     struct suspend_blocker *blocker;
    >> +
    >> +     seq_puts(m, "name\tactive\n");
    >> +     spin_lock_irqsave(&list_lock, irqflags);
    >> +     list_for_each_entry(blocker, &inactive_blockers, link)
    >> +             seq_printf(m, "\"%s\"\t0\n", blocker->name);
    >> +     list_for_each_entry(blocker, &active_blockers, link)
    >> +             seq_printf(m, "\"%s\"\t1\n", blocker->name);
    >> +     spin_unlock_irqrestore(&list_lock, irqflags);
    >
    > Could you report the pid here too?
    >

    Most of the suspend blockers are in the kernel, and does not have a pid.

    > The name set by the application might be meaningless or duplicated.
    >

    Currently all the names set by android user-space are unique but the
    pids are not. We can add columns, or extend the name of user space
    suspend blockers in the ioctl interface, later if needed.

    --
    Arve Hjønnevåg
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