mirror of https://github.com/xzeldon/htop.git
don't include offline CPUs in summary for OpenBSD
By default, OpenBSD disables SMT (hyperthreading) cpu pseudo-cores. This can be changed at runtime by setting the hw.smt sysctl so they may become active later, therefore they are still present in cpu stat structures but are marked as offline. As done with native top(1), this drops them from the cpu summary graphs.
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@ -37,9 +37,12 @@ static int pageSize;
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static int pageSizeKB;
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ProcessList* ProcessList_new(UsersTable* usersTable, Hashtable* pidMatchList, uid_t userId) {
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const int mib[] = { CTL_HW, HW_NCPU };
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const int nmib[] = { CTL_HW, HW_NCPU };
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const int mib[] = { CTL_HW, HW_NCPUONLINE };
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const int fmib[] = { CTL_KERN, KERN_FSCALE };
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int r;
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unsigned int cpu_index_c = 0;
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unsigned int ncpu;
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size_t size;
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char errbuf[_POSIX2_LINE_MAX];
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@ -54,6 +57,12 @@ ProcessList* ProcessList_new(UsersTable* usersTable, Hashtable* pidMatchList, ui
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}
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opl->cpus = xCalloc(pl->cpuCount + 1, sizeof(CPUData));
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size = sizeof(int);
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r = sysctl(nmib, 2, &ncpu, &size, NULL, 0);
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if (r < 0) {
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ncpu = pl->cpuCount;
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}
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size = sizeof(fscale);
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if (sysctl(fmib, 2, &fscale, &size, NULL, 0) < 0) {
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CRT_fatalError("fscale sysctl call failed");
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@ -76,6 +85,23 @@ ProcessList* ProcessList_new(UsersTable* usersTable, Hashtable* pidMatchList, ui
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opl->cpuSpeed = -1;
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for (unsigned int i = 0; i < ncpu; i++) {
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const int ncmib[] = { CTL_KERN, KERN_CPUSTATS, i };
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struct cpustats cpu_stats;
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size = sizeof(cpu_stats);
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if (sysctl(ncmib, 3, &cpu_stats, &size, NULL, 0) < 0) {
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CRT_fatalError("ncmib sysctl call failed");
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}
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if (cpu_stats.cs_flags & CPUSTATS_ONLINE) {
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opl->cpus[cpu_index_c].cpuIndex = i;
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cpu_index_c++;
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}
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if (cpu_index_c == pl->cpuCount)
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break;
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}
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return pl;
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}
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@ -340,7 +366,7 @@ static void OpenBSDProcessList_scanCPUTime(OpenBSDProcessList* this) {
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u_int64_t avg[CPUSTATES] = {0};
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for (unsigned int i = 0; i < this->super.cpuCount; i++) {
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getKernelCPUTimes(i, kernelTimes);
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getKernelCPUTimes(this->cpus[i].cpuIndex, kernelTimes);
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CPUData* cpu = this->cpus + i + 1;
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kernelCPUTimesToHtop(kernelTimes, cpu);
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@ -35,6 +35,8 @@ typedef struct CPUData_ {
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unsigned long long int spinPeriod;
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unsigned long long int intrPeriod;
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unsigned long long int idlePeriod;
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int cpuIndex;
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} CPUData;
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typedef struct OpenBSDProcessList_ {
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