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USB: gadget: ci13xxx_msm: Print timestamps similar to kernel logbuf

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Currently timestamps in events are printed in microsecs which we
can't corelate with kernel logbuf timestamps. Hence print timestamps
in similar format as kernel logbuf.

CRs-Fixed: 720016
Change-Id: I5d2dba9e0723be8cc1bfb784b8d5f4ebfe79e464
Signed-off-by: Vijayavardhan Vennapusa <vvreddy@codeaurora.org>
This commit is contained in:
Vijayavardhan Vennapusa 2014-09-05 15:22:46 +05:30
parent 53a5295c52
commit b4d782029c
1 changed files with 19 additions and 10 deletions
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29
drivers/usb/gadget/ci13xxx_udc.c
View file

@ -994,6 +994,20 @@ static int allow_dbg_print(u8 addr)
return 0;
}
#define TIME_BUF_LEN 20
/*get_timestamp - returns time of day in us */
static char *get_timestamp(char *tbuf)
{
unsigned long long t;
unsigned long nanosec_rem;
t = cpu_clock(smp_processor_id());
nanosec_rem = do_div(t, 1000000000)/1000;
scnprintf(tbuf, TIME_BUF_LEN, "[%5lu.%06lu] ", (unsigned long)t,
nanosec_rem);
return tbuf;
}
/**
* dbg_print: prints the common part of the event
* @addr: endpoint address
@ -1003,30 +1017,25 @@ static int allow_dbg_print(u8 addr)
*/
static void dbg_print(u8 addr, const char *name, int status, const char *extra)
{
struct timeval tval;
unsigned int stamp;
unsigned long flags;
char tbuf[TIME_BUF_LEN];
if (!allow_dbg_print(addr))
return;
write_lock_irqsave(&dbg_data.lck, flags);
do_gettimeofday(&tval);
stamp = tval.tv_sec & 0xFFFF; /* 2^32 = 4294967296. Limit to 4096s */
stamp = stamp * 1000000 + tval.tv_usec;
scnprintf(dbg_data.buf[dbg_data.idx], DBG_DATA_MSG,
"%04X\t? %02X %-7.7s %4i ?\t%s\n",
stamp, addr, name, status, extra);
"%s\t? %02X %-7.7s %4i ?\t%s\n",
get_timestamp(tbuf), addr, name, status, extra);
dbg_inc(&dbg_data.idx);
write_unlock_irqrestore(&dbg_data.lck, flags);
if (dbg_data.tty != 0)
pr_notice("%04X\t? %02X %-7.7s %4i ?\t%s\n",
stamp, addr, name, status, extra);
pr_notice("%s\t? %02X %-7.7s %4i ?\t%s\n",
get_timestamp(tbuf), addr, name, status, extra);
}
/**