Messages in this thread | | | Date | Mon, 25 Jun 2018 09:20:55 -0600 | From | Rob Herring <> | Subject | Re: [PATCH v2] drivers: base: initcall_debug logs for driver probe times |
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On Wed, Jun 20, 2018 at 05:35:56PM -0700, Todd Poynor wrote: > From: Todd Poynor <toddpoynor@google.com> > > Add initcall_debug logs for each driver device probe call, for example: > > probe of a3800000.ramoops returned 1 after 3007 usecs > > This replaces the previous code added to report times for deferred > probes. It also reports OF platform bus device creates that were > formerly lumped together in a single entry for function > of_platform_default_populate_init, as well as helping to annotate other > initcalls that involve device probing. > > Remove restriction on printing probe times only during initcalls, since > initcall_debug now continues to show driver timing info past the boot > phase. > > Signed-off-by: Todd Poynor <toddpoynor@google.com> > --- > drivers/base/dd.c | 50 +++++++++++++++++++++-------------------------- > 1 file changed, 22 insertions(+), 28 deletions(-) > > Changes from v1: > * unsigned long long -> s64 > * use ktime_to_us() instead of ktime_to_ns with shift > * print probe return value > * drop code that stopped output on end of initcall processing
Reviewed-by: Rob Herring <robh@kernel.org>
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