diff options
| author | Dave Airlie <airlied@redhat.com> | 2018-07-30 10:39:22 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2018-07-30 10:39:22 +1000 |
| commit | 3fce4618279373efc59a91adb16c11da46cd69e5 (patch) | |
| tree | 086fad6c9f260a0bcc9b6a3532c6cddc387dd907 /kernel/trace/trace.c | |
| parent | ecd7963f7cf967009882fd56eaee1e87a229bea2 (diff) | |
| parent | acb1872577b346bd15ab3a3f8dff780d6cca4b70 (diff) | |
| download | linux-next-3fce4618279373efc59a91adb16c11da46cd69e5.tar.gz | |
BackMerge v4.18-rc7 into drm-next
rmk requested this for armada and I think we've had a few
conflicts build up.
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'kernel/trace/trace.c')
| -rw-r--r-- | kernel/trace/trace.c | 19 |
1 files changed, 15 insertions, 4 deletions
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index a0079b4c7a49..823687997b01 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -1373,6 +1373,12 @@ update_max_tr(struct trace_array *tr, struct task_struct *tsk, int cpu) arch_spin_lock(&tr->max_lock); + /* Inherit the recordable setting from trace_buffer */ + if (ring_buffer_record_is_set_on(tr->trace_buffer.buffer)) + ring_buffer_record_on(tr->max_buffer.buffer); + else + ring_buffer_record_off(tr->max_buffer.buffer); + swap(tr->trace_buffer.buffer, tr->max_buffer.buffer); __update_max_tr(tr, tsk, cpu); @@ -2953,6 +2959,7 @@ out_nobuffer: } EXPORT_SYMBOL_GPL(trace_vbprintk); +__printf(3, 0) static int __trace_array_vprintk(struct ring_buffer *buffer, unsigned long ip, const char *fmt, va_list args) @@ -3007,12 +3014,14 @@ out_nobuffer: return len; } +__printf(3, 0) int trace_array_vprintk(struct trace_array *tr, unsigned long ip, const char *fmt, va_list args) { return __trace_array_vprintk(tr->trace_buffer.buffer, ip, fmt, args); } +__printf(3, 0) int trace_array_printk(struct trace_array *tr, unsigned long ip, const char *fmt, ...) { @@ -3028,6 +3037,7 @@ int trace_array_printk(struct trace_array *tr, return ret; } +__printf(3, 4) int trace_array_printk_buf(struct ring_buffer *buffer, unsigned long ip, const char *fmt, ...) { @@ -3043,6 +3053,7 @@ int trace_array_printk_buf(struct ring_buffer *buffer, return ret; } +__printf(2, 0) int trace_vprintk(unsigned long ip, const char *fmt, va_list args) { return trace_array_vprintk(&global_trace, ip, fmt, args); @@ -3360,8 +3371,8 @@ 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, @@ -3381,9 +3392,9 @@ 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); } |