Re: [PATCH] [RFC] perf: robustify proc and debugfs file recording

[Michael Neuling]

Sonny,


> While attempting to create a timechart of boot up I found
> perf didn't tolerate modules being loaded/unloaded.  This patch
> fixes this by reading the file once and then writing the size
> read at the correct point in the file.  It also simplifies the
> code somewhat.

I'm getting a bunch of unused variables warnings when I compile this.
Care to clean them up?

    CC util/trace-event-info.o
util/trace-event-info.c: In function âread_header_filesâ:
util/trace-event-info.c:221:27: error: unused variable âcheck_sizeâ [-Werror=unused-variable]
util/trace-event-info.c:221:21: error: unused variable âsizeâ [-Werror=unused-variable]
util/trace-event-info.c: In function âcopy_event_systemâ:
util/trace-event-info.c:255:27: error: unused variable âcheck_sizeâ [-Werror=unused-variable]
util/trace-event-info.c:255:21: error: unused variable âsizeâ [-Werror=unused-variable]
util/trace-event-info.c: In function âread_proc_kallsymsâ:
util/trace-event-info.c:377:21: error: unused variable âcheck_sizeâ [-Werror=unused-variable]
util/trace-event-info.c: In function âread_ftrace_printkâ:
util/trace-event-info.c:394:21: error: unused variable âcheck_sizeâ [-Werror=unused-variable]
cc1: all warnings being treated as errors

Mikey
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