On 07/18/2013 04:53 PM, Steven Rostedt wrote:
> On Thu, 2013-07-18 at 16:42 -0600, Shuah Khan wrote:
>
>> +TRACE_EVENT(device_pm_report_time,
>> +
>> +    TP_PROTO(struct device *dev, const char *pm_ops, s64 ops_time,
>> +             char *pm_event_str, int error),
>> +
>> +    TP_ARGS(dev, pm_ops, ops_time, pm_event_str, error),
>> +
>> +    TP_STRUCT__entry(
>> +            __string(device, dev_name(dev))
>> +            __string(driver, dev_driver_string(dev))
>> +            __string(parent, dev->parent ? dev_name(dev->parent) : "none")
>> +            __string(pm_ops, pm_ops ? pm_ops : "none ")
>> +            __string(pm_event_str, pm_event_str)
>> +            __field(s64, ops_time)
>> +            __field(int, error)
>> +    ),
>> +
>> +    TP_fast_assign(
>> +            __assign_str(device, dev_name(dev));
>> +            __assign_str(driver, dev_driver_string(dev));
>> +            __assign_str(parent,
>> +                            dev->parent ? dev_name(dev->parent) : "none");
>
> Have you tried using the temp variables? These macros expand to be
> called multiple times.
>
> -- Steve

Steve,

Tried with temp variables. Patch is on its way with temp variables. I 
generated .s with and without temp variables and didn't see any 
difference. Should I be seeing a difference, if so what am I missing?

In any case, you have the patch v6 with temp variables.

-- Shuah

Shuah Khan, Linux Kernel Developer - Open Source Group Samsung Research 
America (Silicon Valley) [email protected] | (970) 672-0658
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