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mcexec: introduction of --profile

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This commit is contained in:
Balazs Gerofi
2017-02-27 11:02:34 +09:00
parent dd6f721e03
commit e3e0f6a174
9 changed files with 60 additions and 19 deletions
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40
kernel/profile.c
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@@ -44,6 +44,17 @@ extern char *syscall_name[];
#ifdef PROFILE_ENABLE
//#define DEBUG_PRINT_PROFILE
#ifdef DEBUG_PRINT_PROFILE
#define dkprintf(...) kprintf(__VA_ARGS__)
#define ekprintf(...) kprintf(__VA_ARGS__)
#else
#define dkprintf(...) do { if (0) kprintf(__VA_ARGS__); } while (0)
#define ekprintf(...) kprintf(__VA_ARGS__)
#endif
char *profile_event_names[] =
{
"page_fault",
@@ -101,7 +112,7 @@ void profile_print_thread_stats(struct thread *thread)
!thread->profile_events[i + PROFILE_SYSCALL_MAX].cnt)
continue;
__kprintf("TID: %4d (%3d,%20s): %6u %6lukC offl: %6u %6lukC\n",
__kprintf("TID: %4d (%3d,%20s): %6u %6luk offl: %6u %6luk\n",
thread->tid,
i,
syscall_name[i],
@@ -123,9 +134,8 @@ void profile_print_thread_stats(struct thread *thread)
if (!thread->profile_events[i].cnt)
continue;
__kprintf("TID: %4d (%3d,%20s): %6u %6lukC \n",
__kprintf("TID: %4d (%24s): %6u %6luk \n",
thread->tid,
i,
profile_event_names[i - PROFILE_EVENT_MIN],
thread->profile_events[i].cnt,
(thread->profile_events[i].tsc /
@@ -152,7 +162,7 @@ void profile_print_proc_stats(struct process *proc)
!proc->profile_events[i + PROFILE_SYSCALL_MAX].cnt)
continue;
__kprintf("PID: %4d (%3d,%20s): %6u %6lukC offl: %6u %6lukC\n",
__kprintf("PID: %4d (%3d,%20s): %6u %6luk offl: %6u %6luk\n",
proc->pid,
i,
syscall_name[i],
@@ -174,9 +184,8 @@ void profile_print_proc_stats(struct process *proc)
if (!proc->profile_events[i].cnt)
continue;
__kprintf("PID: %4d (%3d,%20s): %6u %6lukC \n",
__kprintf("PID: %4d (%24s): %6u %6luk \n",
proc->pid,
i,
profile_event_names[i - PROFILE_EVENT_MIN],
proc->profile_events[i].cnt,
(proc->profile_events[i].tsc /
@@ -240,7 +249,7 @@ int profile_accumulate_and_print_job_events(struct process *proc)
!job_profile_events[i + PROFILE_SYSCALL_MAX].cnt)
continue;
__kprintf("JOB: (%2d) (%3d,%20s): %6u %6lukC offl: %6u %6lukC\n",
__kprintf("JOB: (%2d) (%3d,%20s): %6u %6luk offl: %6u %6luk\n",
job_nr_processes,
i,
syscall_name[i],
@@ -265,9 +274,8 @@ int profile_accumulate_and_print_job_events(struct process *proc)
if (!job_profile_events[i].cnt)
continue;
__kprintf("JOB: (%2d) (%3d,%20s): %6u %6lukC \n",
__kprintf("JOB: (%2d) (%24s): %6u %6luk \n",
job_nr_processes,
i,
profile_event_names[i - PROFILE_EVENT_MIN],
job_profile_events[i].cnt,
(job_profile_events[i].tsc /
@@ -376,6 +384,8 @@ int do_profile(int flag)
/* Job level? */
if (flag & PROF_JOB) {
dkprintf("%s: JOB %d, flag: 0x%lx\n",
__FUNCTION__, proc->nr_processes, flag);
if (flag & PROF_PRINT) {
struct mcs_rwlock_node lock;
struct thread *_thread;
@@ -397,6 +407,8 @@ int do_profile(int flag)
struct mcs_rwlock_node lock;
struct thread *_thread;
dkprintf("%s: PID %d, flag: 0x%lx\n",
__FUNCTION__, proc->pid, flag);
/* Accumulate events from all threads */
mcs_rwlock_reader_lock_noirq(&proc->threads_lock, &lock);
@@ -420,12 +432,22 @@ int do_profile(int flag)
mcs_rwlock_reader_unlock_noirq(&proc->threads_lock, &lock);
/* Make sure future threads profile as well */
if (flag & PROF_ON) {
proc->profile = 1;
}
else if (flag & PROF_OFF) {
proc->profile = 0;
}
if (flag & PROF_PRINT) {
profile_print_proc_stats(proc);
}
}
/* Thread level */
else {
dkprintf("%s: TID %d, flag: 0x%lx\n",
__FUNCTION__, thread->tid, flag);
if (flag & PROF_PRINT) {
profile_print_thread_stats(thread);
}