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author | Lorenz Meier <lm@inf.ethz.ch> | 2013-07-09 13:27:17 +0200 |
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committer | Lorenz Meier <lm@inf.ethz.ch> | 2013-07-09 13:27:17 +0200 |
commit | 82c13efad156b1fbf0634b4d6498a95780b0c31a (patch) | |
tree | e6eb14189a575208fef69dda662dc7ddeb025d33 /src/modules/systemlib/cpuload.c | |
parent | d63730419b7a8ea8696f7518bf24baff149b18a3 (diff) | |
parent | e5c7ae470640ea20fe372b8da8185abf72123dbe (diff) | |
download | px4-firmware-82c13efad156b1fbf0634b4d6498a95780b0c31a.tar.gz px4-firmware-82c13efad156b1fbf0634b4d6498a95780b0c31a.tar.bz2 px4-firmware-82c13efad156b1fbf0634b4d6498a95780b0c31a.zip |
Merged CPU load changes by freddie chopin
Diffstat (limited to 'src/modules/systemlib/cpuload.c')
-rw-r--r-- | src/modules/systemlib/cpuload.c | 42 |
1 files changed, 21 insertions, 21 deletions
diff --git a/src/modules/systemlib/cpuload.c b/src/modules/systemlib/cpuload.c index 8fdff8ac0..afc5b072c 100644 --- a/src/modules/systemlib/cpuload.c +++ b/src/modules/systemlib/cpuload.c @@ -71,8 +71,6 @@ extern FAR struct _TCB *sched_gettcb(pid_t pid); void cpuload_initialize_once() { -// if (!system_load.initialized) -// { system_load.start_time = hrt_absolute_time(); int i; @@ -80,27 +78,29 @@ void cpuload_initialize_once() system_load.tasks[i].valid = false; } - system_load.total_count = 0; - uint64_t now = hrt_absolute_time(); - /* initialize idle thread statically */ - system_load.tasks[0].start_time = now; - system_load.tasks[0].total_runtime = 0; - system_load.tasks[0].curr_start_time = 0; - system_load.tasks[0].tcb = sched_gettcb(0); - system_load.tasks[0].valid = true; - system_load.total_count++; - - /* initialize init thread statically */ - system_load.tasks[1].start_time = now; - system_load.tasks[1].total_runtime = 0; - system_load.tasks[1].curr_start_time = 0; - system_load.tasks[1].tcb = sched_gettcb(1); - system_load.tasks[1].valid = true; - /* count init thread */ - system_load.total_count++; - // } + int static_tasks_count = 2; // there are at least 2 threads that should be initialized statically - "idle" and "init" + +#ifdef CONFIG_PAGING + static_tasks_count++; // include paging thread in initialization +#endif /* CONFIG_PAGING */ +#if CONFIG_SCHED_WORKQUEUE + static_tasks_count++; // include high priority work0 thread in initialization +#endif /* CONFIG_SCHED_WORKQUEUE */ +#if CONFIG_SCHED_LPWORK + static_tasks_count++; // include low priority work1 thread in initialization +#endif /* CONFIG_SCHED_WORKQUEUE */ + + // perform static initialization of "system" threads + for (system_load.total_count = 0; system_load.total_count < static_tasks_count; system_load.total_count++) + { + system_load.tasks[system_load.total_count].start_time = now; + system_load.tasks[system_load.total_count].total_runtime = 0; + system_load.tasks[system_load.total_count].curr_start_time = 0; + system_load.tasks[system_load.total_count].tcb = sched_gettcb(system_load.total_count); // it is assumed that these static threads have consecutive PIDs + system_load.tasks[system_load.total_count].valid = true; + } } void sched_note_start(FAR struct tcb_s *tcb) |