forked from luck/tmp_suning_uos_patched
f8b755ac8e
Impact: make more obvious the hardirq calls in the output
When a hardirq is triggered inside the codeflow on output, we have
now two arrows that indicate the entry and return of the hardirq.
0) | bit_waitqueue() {
0) 0.880 us | __phys_addr();
0) 2.699 us | }
0) | __wake_up_bit() {
0) ==========> | smp_apic_timer_interrupt() {
0) 0.797 us | native_apic_mem_write();
0) 0.715 us | exit_idle();
0) | irq_enter() {
0) 0.722 us | idle_cpu();
0) 5.519 us | }
0) | hrtimer_interrupt() {
0) | ktime_get() {
0) | ktime_get_ts() {
0) 0.805 us | getnstimeofday();
[...]
0) ! 108.528 us | }
0) | irq_exit() {
0) | do_softirq() {
0) | __do_softirq() {
0) 0.895 us | __local_bh_disable();
0) | run_timer_softirq() {
0) 0.827 us | hrtimer_run_pending();
0) 1.226 us | _spin_lock_irq();
0) | _spin_unlock_irq() {
0) 6.550 us | }
0) 0.924 us | _local_bh_enable();
0) + 12.129 us | }
0) + 13.911 us | }
0) 0.707 us | idle_cpu();
0) + 17.009 us | }
0) ! 137.419 us | }
0) <========== |
0) 1.045 us | }
0) ! 148.908 us | }
0) ! 151.022 us | }
0) ! 153.022 us | }
0) 0.963 us | journal_mark_dirty();
0) 0.925 us | __brelse();
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
|
||
|---|---|---|
| .. | ||
| ftrace.c | ||
| Kconfig | ||
| Makefile | ||
| ring_buffer.c | ||
| trace_boot.c | ||
| trace_branch.c | ||
| trace_bts.c | ||
| trace_functions_graph.c | ||
| trace_functions.c | ||
| trace_irqsoff.c | ||
| trace_mmiotrace.c | ||
| trace_nop.c | ||
| trace_power.c | ||
| trace_sched_switch.c | ||
| trace_sched_wakeup.c | ||
| trace_selftest_dynamic.c | ||
| trace_selftest.c | ||
| trace_stack.c | ||
| trace_sysprof.c | ||
| trace.c | ||
| trace.h | ||