diff options
Diffstat (limited to 'kernel/trace/trace_output.c')
| -rw-r--r-- | kernel/trace/trace_output.c | 19 |
1 files changed, 13 insertions, 6 deletions
diff --git a/kernel/trace/trace_output.c b/kernel/trace/trace_output.c index 0d6ff355594..df611a0e76c 100644 --- a/kernel/trace/trace_output.c +++ b/kernel/trace/trace_output.c @@ -264,7 +264,7 @@ void *trace_seq_reserve(struct trace_seq *s, size_t len) return ret; } -int trace_seq_path(struct trace_seq *s, struct path *path) +int trace_seq_path(struct trace_seq *s, const struct path *path) { unsigned char *p; @@ -300,7 +300,7 @@ ftrace_print_flags_seq(struct trace_seq *p, const char *delim, unsigned long mask; const char *str; const char *ret = p->buffer + p->len; - int i; + int i, first = 1; for (i = 0; flag_array[i].name && flags; i++) { @@ -310,14 +310,16 @@ ftrace_print_flags_seq(struct trace_seq *p, const char *delim, str = flag_array[i].name; flags &= ~mask; - if (p->len && delim) + if (!first && delim) trace_seq_puts(p, delim); + else + first = 0; trace_seq_puts(p, str); } /* check for left over flags */ if (flags) { - if (p->len && delim) + if (!first && delim) trace_seq_puts(p, delim); trace_seq_printf(p, "0x%lx", flags); } @@ -344,7 +346,7 @@ ftrace_print_symbols_seq(struct trace_seq *p, unsigned long val, break; } - if (!p->len) + if (ret == (const char *)(p->buffer + p->len)) trace_seq_printf(p, "0x%lx", val); trace_seq_putc(p, 0); @@ -370,7 +372,7 @@ ftrace_print_symbols_seq_u64(struct trace_seq *p, unsigned long long val, break; } - if (!p->len) + if (ret == (const char *)(p->buffer + p->len)) trace_seq_printf(p, "0x%llx", val); trace_seq_putc(p, 0); @@ -650,6 +652,8 @@ int trace_print_lat_context(struct trace_iterator *iter) { u64 next_ts; int ret; + /* trace_find_next_entry will reset ent_size */ + int ent_size = iter->ent_size; struct trace_seq *s = &iter->seq; struct trace_entry *entry = iter->ent, *next_entry = trace_find_next_entry(iter, NULL, @@ -658,6 +662,9 @@ int trace_print_lat_context(struct trace_iterator *iter) 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); |