| commit | d3618e88850e1d02d15b8c1e147f0a3361e9106e | [log] [tgz] |
|---|---|---|
| author | Sujit Reddy Thumma <sthumma@codeaurora.org> | Thu Feb 14 08:13:52 2013 +0530 |
| committer | Sujit Reddy Thumma <sthumma@codeaurora.org> | Mon Apr 08 15:29:39 2013 +0530 |
| tree | 28dd03a93c69dc4929326733e2ad4e2493e7d84f | |
| parent | 36ff23f309a8e51620b09b3a70ec7eb15a7abf12 [diff] |
mmc: core: Log MMC clock frequency transitions Use kernel's ftrace support to capture MMC clock frequency transitions which can be useful for debugging issues related to power consumption. Usage: mount -t debugfs none /sys/kernel/debug echo 1 > /sys/kernel/debug/tracing/events/mmc/mmc_clk/enable cat /sys/kernel/debug/tracing/trace_pipe Change-Id: I25c4ee39dcbe30e7665902a9f723a5a421b55ca3 Signed-off-by: Sujit Reddy Thumma <sthumma@codeaurora.org>