diff options
| author | Ken Sumrall <ksumrall@android.com> | 2013-05-15 20:13:13 -0700 |
|---|---|---|
| committer | John Stultz <john.stultz@linaro.org> | 2016-02-16 13:53:28 -0800 |
| commit | 0a66c43d8ebb8b6d53e52df829ee001f4f4de50b (patch) | |
| tree | a782abf051896e469f8235a44c8bb70b6548b252 /drivers/mmc/card/block.c | |
| parent | 48236926abea0f6a1367f61f8ba997aa3d106eee (diff) | |
mmc: Add tracepoints of mmc block operations
Add tracepoints to record the start and end of each mmc block
operation. This includes read, write, erase, secure erase,
trim, secure trim1 and secure trim 2, discard and
sanitize commands.
Change-Id: Ic5d1cbdb9adb940d8b1a2a13c73970023575df50
Signed-off-by: Ken Sumrall <ksumrall@android.com>
Diffstat (limited to 'drivers/mmc/card/block.c')
| -rw-r--r-- | drivers/mmc/card/block.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c index daffad24e8e5..21aa3244029b 100644 --- a/drivers/mmc/card/block.c +++ b/drivers/mmc/card/block.c @@ -36,6 +36,9 @@ #include <linux/compat.h> #include <linux/pm_runtime.h> +#define CREATE_TRACE_POINTS +#include <trace/events/mmc.h> + #include <linux/mmc/ioctl.h> #include <linux/mmc/card.h> #include <linux/mmc/host.h> @@ -443,9 +446,11 @@ static int ioctl_do_sanitize(struct mmc_card *card) pr_debug("%s: %s - SANITIZE IN PROGRESS...\n", mmc_hostname(card->host), __func__); + trace_mmc_blk_erase_start(EXT_CSD_SANITIZE_START, 0, 0); err = mmc_switch(card, EXT_CSD_CMD_SET_NORMAL, EXT_CSD_SANITIZE_START, 1, MMC_SANITIZE_REQ_TIMEOUT); + trace_mmc_blk_erase_end(EXT_CSD_SANITIZE_START, 0, 0); if (err) pr_err("%s: %s - EXT_CSD_SANITIZE_START failed. err=%d\n", |