mirror of https://github.com/xzeldon/htop.git
Merge branch 'refactor-Darwin-platform-unit-conversion-helpers' of amomchilov/htop
This commit is contained in:
commit
df17374a92
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@ -269,13 +269,6 @@ ERROR_A:
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Process_updateCmdline(proc, k->kp_proc.p_comm, 0, strlen(k->kp_proc.p_comm));
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}
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// Converts ticks in the Mach "timebase" to nanoseconds.
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// See `mach_timebase_info`, as used to define the `Platform_timebaseToNS` constant.
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static uint64_t machTicksToNanoseconds(uint64_t schedulerTicks) {
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double nanoseconds_per_mach_tick = Platform_timebaseToNS;
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return (uint64_t) (nanoseconds_per_mach_tick * (double) schedulerTicks);
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}
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// Converts nanoseconds to hundreths of a second (centiseconds) as needed by the "time" field of the Process struct.
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static long long int nanosecondsToCentiseconds(uint64_t nanoseconds) {
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const uint64_t centiseconds_per_second = 100;
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@ -350,8 +343,8 @@ void DarwinProcess_setFromLibprocPidinfo(DarwinProcess* proc, DarwinProcessList*
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if (sizeof(pti) == proc_pidinfo(proc->super.pid, PROC_PIDTASKINFO, 0, &pti, sizeof(pti))) {
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uint64_t total_existing_time_ns = proc->stime + proc->utime;
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uint64_t user_time_ns = machTicksToNanoseconds(pti.pti_total_user);
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uint64_t system_time_ns = machTicksToNanoseconds(pti.pti_total_system);
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uint64_t user_time_ns = Platform_machTicksToNanoseconds(pti.pti_total_user);
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uint64_t system_time_ns = Platform_machTicksToNanoseconds(pti.pti_total_system);
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uint64_t total_current_time_ns = user_time_ns + system_time_ns;
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@ -160,13 +160,6 @@ void ProcessList_delete(ProcessList* this) {
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free(this);
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}
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// Converts "scheduler ticks" to nanoseconds.
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// See `sysconf(_SC_CLK_TCK)`, as used to define the `Platform_clockTicksPerSec` constant.
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static double schedulerTicksToNanoseconds(const double ticks) {
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const double nanos_per_sec = 1e9;
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return ticks * (nanos_per_sec / (double) Platform_clockTicksPerSec);
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}
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void ProcessList_goThroughEntries(ProcessList* super, bool pauseProcessUpdate) {
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DarwinProcessList* dpl = (DarwinProcessList*)super;
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bool preExisting = true;
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@ -194,7 +187,7 @@ void ProcessList_goThroughEntries(ProcessList* super, bool pauseProcessUpdate) {
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}
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}
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const double time_interval_ns = schedulerTicksToNanoseconds(dpl->global_diff) / (double) dpl->super.activeCPUs;
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const double time_interval_ns = Platform_schedulerTicksToNanoseconds(dpl->global_diff) / (double) dpl->super.activeCPUs;
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/* Clear the thread counts */
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super->kernelThreads = 0;
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@ -120,9 +120,9 @@ const MeterClass* const Platform_meterTypes[] = {
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NULL
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};
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double Platform_timebaseToNS = 1.0;
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static double Platform_nanosecondsPerMachTick = 1.0;
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long Platform_clockTicksPerSec = -1;
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static double Platform_schedulerTicksPerNS = -1;
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void Platform_init(void) {
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// Check if we can determine the timebase used on this system.
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@ -130,18 +130,33 @@ void Platform_init(void) {
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#ifdef HAVE_MACH_TIMEBASE_INFO
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mach_timebase_info_data_t info;
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mach_timebase_info(&info);
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Platform_timebaseToNS = (double)info.numer / (double)info.denom;
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Platform_nanosecondsPerMachTick = (double)info.numer / (double)info.denom;
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#else
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Platform_timebaseToNS = 1.0;
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Platform_nanosecondsPerMachTick = 1.0;
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#endif
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// Determine the number of clock ticks per second
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// Determine the number of scheduler clock ticks per second
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errno = 0;
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Platform_clockTicksPerSec = sysconf(_SC_CLK_TCK);
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long scheduler_ticks_per_sec = sysconf(_SC_CLK_TCK);
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if (errno || Platform_clockTicksPerSec < 1) {
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if (errno || scheduler_ticks_per_sec < 1) {
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CRT_fatalError("Unable to retrieve clock tick rate");
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}
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const double nanos_per_sec = 1e9;
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Platform_schedulerTicksPerNS = nanos_per_sec / scheduler_ticks_per_sec;
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}
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// Converts ticks in the Mach "timebase" to nanoseconds.
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// See `mach_timebase_info`, as used to define the `Platform_nanosecondsPerMachTick` constant.
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uint64_t Platform_machTicksToNanoseconds(uint64_t mach_ticks) {
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return (uint64_t) ((double) mach_ticks * Platform_nanosecondsPerMachTick);
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}
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// Converts "scheduler ticks" to nanoseconds.
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// See `sysconf(_SC_CLK_TCK)`, as used to define the `Platform_schedulerTicksPerNS` constant.
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double Platform_schedulerTicksToNanoseconds(const double scheduler_ticks) {
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return scheduler_ticks * Platform_schedulerTicksPerNS;
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}
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void Platform_done(void) {
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@ -27,10 +27,6 @@ in the source distribution for its full text.
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extern const ProcessField Platform_defaultFields[];
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extern double Platform_timebaseToNS;
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extern long Platform_clockTicksPerSec;
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extern const SignalItem Platform_signals[];
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extern const unsigned int Platform_numberOfSignals;
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@ -39,6 +35,14 @@ extern const MeterClass* const Platform_meterTypes[];
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void Platform_init(void);
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// Converts ticks in the Mach "timebase" to nanoseconds.
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// See `mach_timebase_info`, as used to define the `Platform_nanosecondsPerMachTick` constant.
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uint64_t Platform_machTicksToNanoseconds(uint64_t mach_ticks);
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// Converts "scheduler ticks" to nanoseconds.
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// See `sysconf(_SC_CLK_TCK)`, as used to define the `Platform_schedulerTicksPerNS` constant.
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double Platform_schedulerTicksToNanoseconds(const double scheduler_ticks);
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void Platform_done(void);
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void Platform_setBindings(Htop_Action* keys);
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