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authorAnton Vorontsov <anton.vorontsov@linaro.org>2012-12-11 22:15:57 -0800
committerAnton Vorontsov <anton.vorontsov@linaro.org>2012-12-11 22:15:57 -0800
commit76d8a23b127020472207b281427d3e9f4f1227e4 (patch)
treee14d7063d96d850fb259115d6fb08cbeb98ccf88 /kernel/trace/trace_output.c
parenteba3b670a9166a91be5a11fe33290dca6b9457a2 (diff)
parent1ebaf4f4e6912199f8a4e30ba3ab55da2b71bcdf (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux
The merge is merely to fix conflicts before sending a pull request. Conflicts: drivers/power/ab8500_btemp.c drivers/power/ab8500_charger.c drivers/power/ab8500_fg.c drivers/power/abx500_chargalg.c drivers/power/max8925_power.c Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
Diffstat (limited to 'kernel/trace/trace_output.c')
-rw-r--r--kernel/trace/trace_output.c78
1 files changed, 53 insertions, 25 deletions
diff --git a/kernel/trace/trace_output.c b/kernel/trace/trace_output.c
index 123b189c732c..194d79602dc7 100644
--- a/kernel/trace/trace_output.c
+++ b/kernel/trace/trace_output.c
@@ -610,24 +610,54 @@ lat_print_generic(struct trace_seq *s, struct trace_entry *entry, int cpu)
return trace_print_lat_fmt(s, entry);
}
-static unsigned long preempt_mark_thresh = 100;
+static unsigned long preempt_mark_thresh_us = 100;
static int
-lat_print_timestamp(struct trace_seq *s, u64 abs_usecs,
- unsigned long rel_usecs)
+lat_print_timestamp(struct trace_iterator *iter, u64 next_ts)
{
- return trace_seq_printf(s, " %4lldus%c: ", abs_usecs,
- rel_usecs > preempt_mark_thresh ? '!' :
- rel_usecs > 1 ? '+' : ' ');
+ unsigned long verbose = trace_flags & TRACE_ITER_VERBOSE;
+ unsigned long in_ns = iter->iter_flags & TRACE_FILE_TIME_IN_NS;
+ unsigned long long abs_ts = iter->ts - iter->tr->time_start;
+ unsigned long long rel_ts = next_ts - iter->ts;
+ struct trace_seq *s = &iter->seq;
+
+ if (in_ns) {
+ abs_ts = ns2usecs(abs_ts);
+ rel_ts = ns2usecs(rel_ts);
+ }
+
+ if (verbose && in_ns) {
+ unsigned long abs_usec = do_div(abs_ts, USEC_PER_MSEC);
+ unsigned long abs_msec = (unsigned long)abs_ts;
+ unsigned long rel_usec = do_div(rel_ts, USEC_PER_MSEC);
+ unsigned long rel_msec = (unsigned long)rel_ts;
+
+ return trace_seq_printf(
+ s, "[%08llx] %ld.%03ldms (+%ld.%03ldms): ",
+ ns2usecs(iter->ts),
+ abs_msec, abs_usec,
+ rel_msec, rel_usec);
+ } else if (verbose && !in_ns) {
+ return trace_seq_printf(
+ s, "[%016llx] %lld (+%lld): ",
+ iter->ts, abs_ts, rel_ts);
+ } else if (!verbose && in_ns) {
+ return trace_seq_printf(
+ s, " %4lldus%c: ",
+ abs_ts,
+ rel_ts > preempt_mark_thresh_us ? '!' :
+ rel_ts > 1 ? '+' : ' ');
+ } else { /* !verbose && !in_ns */
+ return trace_seq_printf(s, " %4lld: ", abs_ts);
+ }
}
int trace_print_context(struct trace_iterator *iter)
{
struct trace_seq *s = &iter->seq;
struct trace_entry *entry = iter->ent;
- unsigned long long t = ns2usecs(iter->ts);
- unsigned long usec_rem = do_div(t, USEC_PER_SEC);
- unsigned long secs = (unsigned long)t;
+ unsigned long long t;
+ unsigned long secs, usec_rem;
char comm[TASK_COMM_LEN];
int ret;
@@ -644,8 +674,13 @@ int trace_print_context(struct trace_iterator *iter)
return 0;
}
- return trace_seq_printf(s, " %5lu.%06lu: ",
- secs, usec_rem);
+ if (iter->iter_flags & TRACE_FILE_TIME_IN_NS) {
+ t = ns2usecs(iter->ts);
+ usec_rem = do_div(t, USEC_PER_SEC);
+ secs = (unsigned long)t;
+ return trace_seq_printf(s, " %5lu.%06lu: ", secs, usec_rem);
+ } else
+ return trace_seq_printf(s, " %12llu: ", iter->ts);
}
int trace_print_lat_context(struct trace_iterator *iter)
@@ -659,36 +694,29 @@ int trace_print_lat_context(struct trace_iterator *iter)
*next_entry = trace_find_next_entry(iter, NULL,
&next_ts);
unsigned long verbose = (trace_flags & TRACE_ITER_VERBOSE);
- unsigned long abs_usecs = ns2usecs(iter->ts - iter->tr->time_start);
- unsigned long rel_usecs;
/* Restore the original ent_size */
iter->ent_size = ent_size;
if (!next_entry)
next_ts = iter->ts;
- rel_usecs = ns2usecs(next_ts - iter->ts);
if (verbose) {
char comm[TASK_COMM_LEN];
trace_find_cmdline(entry->pid, comm);
- ret = trace_seq_printf(s, "%16s %5d %3d %d %08x %08lx [%08llx]"
- " %ld.%03ldms (+%ld.%03ldms): ", comm,
- entry->pid, iter->cpu, entry->flags,
- entry->preempt_count, iter->idx,
- ns2usecs(iter->ts),
- abs_usecs / USEC_PER_MSEC,
- abs_usecs % USEC_PER_MSEC,
- rel_usecs / USEC_PER_MSEC,
- rel_usecs % USEC_PER_MSEC);
+ ret = trace_seq_printf(
+ s, "%16s %5d %3d %d %08x %08lx ",
+ comm, entry->pid, iter->cpu, entry->flags,
+ entry->preempt_count, iter->idx);
} else {
ret = lat_print_generic(s, entry, iter->cpu);
- if (ret)
- ret = lat_print_timestamp(s, abs_usecs, rel_usecs);
}
+ if (ret)
+ ret = lat_print_timestamp(iter, next_ts);
+
return ret;
}