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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2018-07-13 11:40:11 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2018-07-13 11:40:11 -0700 |
| commit | 35a84f34cf41915a0b2d0a3688b20761580f8ce4 (patch) | |
| tree | 73ae2225bb9711977cb54fa2b89851816b4d1439 | |
| parent | a0092e5ec66b122b5fd4f4997f2284fcc4cd1389 (diff) | |
| parent | f8494fa3dd10b52eab47a9666a8bc34719a129aa (diff) | |
| download | linux-lora-35a84f34cf41915a0b2d0a3688b20761580f8ce4.tar.gz | |
Merge tag 'trace-v4.18-rc3-3' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
Pull tracing fixlet from Steven Rostedt:
"Joel Fernandes asked to add a feature in tracing that Android had its
own patch internally for. I took it back in 4.13. Now he realizes that
he had a mistake, and swapped the values from what Android had. This
means that the old Android tools will break when using a new kernel
that has the new feature on it.
The options are:
1. To swap it back to what Android wants.
2. Add a command line option or something to do the swap
3. Just let Android carry a patch that swaps it back
Since it requires setting a tracing option to enable this anyway, I
doubt there are other users of this than Android. Thus, I've decided
to take option 1. If someone else is actually depending on the order
that is in the kernel, then we will have to revert this change and go
to option 2 or 3"
* tag 'trace-v4.18-rc3-3' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
tracing: Reorder display of TGID to be after PID
| -rw-r--r-- | kernel/trace/trace.c | 8 | ||||
| -rw-r--r-- | kernel/trace/trace_output.c | 5 |
2 files changed, 7 insertions, 6 deletions
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index f054bd6a1c66b7..87cf25171fb8df 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -3365,8 +3365,8 @@ static void print_func_help_header(struct trace_buffer *buf, struct seq_file *m, print_event_info(buf, m); - seq_printf(m, "# TASK-PID CPU# %s TIMESTAMP FUNCTION\n", tgid ? "TGID " : ""); - seq_printf(m, "# | | | %s | |\n", tgid ? " | " : ""); + seq_printf(m, "# TASK-PID %s CPU# TIMESTAMP FUNCTION\n", tgid ? "TGID " : ""); + seq_printf(m, "# | | %s | | |\n", tgid ? " | " : ""); } static void print_func_help_header_irq(struct trace_buffer *buf, struct seq_file *m, @@ -3386,9 +3386,9 @@ static void print_func_help_header_irq(struct trace_buffer *buf, struct seq_file tgid ? tgid_space : space); seq_printf(m, "# %s||| / delay\n", tgid ? tgid_space : space); - seq_printf(m, "# TASK-PID CPU#%s|||| TIMESTAMP FUNCTION\n", + seq_printf(m, "# TASK-PID %sCPU# |||| TIMESTAMP FUNCTION\n", tgid ? " TGID " : space); - seq_printf(m, "# | | | %s|||| | |\n", + seq_printf(m, "# | | %s | |||| | |\n", tgid ? " | " : space); } diff --git a/kernel/trace/trace_output.c b/kernel/trace/trace_output.c index 90db994ac9004d..1c8e30fda46a8a 100644 --- a/kernel/trace/trace_output.c +++ b/kernel/trace/trace_output.c @@ -594,8 +594,7 @@ int trace_print_context(struct trace_iterator *iter) trace_find_cmdline(entry->pid, comm); - trace_seq_printf(s, "%16s-%-5d [%03d] ", - comm, entry->pid, iter->cpu); + trace_seq_printf(s, "%16s-%-5d ", comm, entry->pid); if (tr->trace_flags & TRACE_ITER_RECORD_TGID) { unsigned int tgid = trace_find_tgid(entry->pid); @@ -606,6 +605,8 @@ int trace_print_context(struct trace_iterator *iter) trace_seq_printf(s, "(%5d) ", tgid); } + trace_seq_printf(s, "[%03d] ", iter->cpu); + if (tr->trace_flags & TRACE_ITER_IRQ_INFO) trace_print_lat_fmt(s, entry); |