mirror of https://github.com/xzeldon/htop.git
Remove unwanted code, updates the comments
This commit is contained in:
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b900e70e80
commit
ddcfb179b4
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@ -199,10 +199,9 @@ void Process_delete(Object* cast) {
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}
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static void NetBSDProcess_writeField(const Process* this, RichString* str, ProcessField field) {
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//const NetBSDProcess* op = (const NetBSDProcess*) this;
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char buffer[256]; buffer[255] = '\0';
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int attr = CRT_colors[DEFAULT_COLOR];
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//int n = sizeof(buffer) - 1;
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switch (field) {
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// add NetBSD-specific fields here
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default:
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@ -102,7 +102,7 @@ static void NetBSDProcessList_scanMemoryInfo(ProcessList* pl) {
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pl->totalMem = uvmexp.npages * pageSizeKB;
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// These calculations have been taken from sys/miscfs/procfs
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// These calculations have been taken from NetBSD's top(1)
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// They need review for testing the correctness
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//pl->freeMem = uvmexp.free * pageSizeKB;
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pl->buffersMem = uvmexp.filepages * pageSizeKB;
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@ -111,62 +111,11 @@ static void NetBSDProcessList_scanMemoryInfo(ProcessList* pl) {
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pl->totalSwap = uvmexp.swpages * pageSizeKB;
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pl->usedSwap = uvmexp.swpginuse * pageSizeKB;
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// const int uvmexp_mib[] = { CTL_VM, VM_UVMEXP };
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// struct uvmexp uvmexp;
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// size_t size_uvmexp = sizeof(uvmexp);
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//
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// if (sysctl(uvmexp_mib, 2, &uvmexp, &size_uvmexp, NULL, 0) < 0) {
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// CRT_fatalError("uvmexp sysctl call failed");
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// }
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//
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// pl->totalMem = uvmexp.npages * pageSizeKB;
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// pl->usedMem = (uvmexp.npages - uvmexp.free - uvmexp.paging) * pageSizeKB;
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//
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// // Taken from NetBSD systat/iostat.c, top/machine.c and uvm_sysctl(9)
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// const int bcache_mib[] = { CTL_VFS, VFS_GENERIC, VFS_BCACHESTAT };
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// struct bcachestats bcstats;
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// size_t size_bcstats = sizeof(bcstats);
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//
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// if (sysctl(bcache_mib, 3, &bcstats, &size_bcstats, NULL, 0) < 0) {
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// CRT_fatalError("cannot get vfs.bcachestat");
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// }
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//
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// pl->cachedMem = bcstats.numbufpages * pageSizeKB;
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//
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// /*
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// * Copyright (c) 1994 Thorsten Lockert <tholo@sigmasoft.com>
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// * All rights reserved.
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// *
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// * Taken almost directly from OpenBSD's top(1)
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// *
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// * Originally released under a BSD-3 license
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// * Modified through htop developers applying GPL-2
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// */
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// int nswap = swapctl(SWAP_NSWAP, 0, 0);
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// if (nswap > 0) {
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// struct swapent swdev[nswap];
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// int rnswap = swapctl(SWAP_STATS, swdev, nswap);
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//
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// /* Total things up */
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// unsigned long long int total = 0, used = 0;
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// for (int i = 0; i < rnswap; i++) {
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// if (swdev[i].se_flags & SWF_ENABLE) {
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// used += (swdev[i].se_inuse / (1024 / DEV_BSIZE));
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// total += (swdev[i].se_nblks / (1024 / DEV_BSIZE));
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// }
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// }
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//
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// pl->totalSwap = total;
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// pl->usedSwap = used;
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// } else {
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// pl->totalSwap = pl->usedSwap = 0;
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// }
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}
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static char* NetBSDProcessList_readProcessName(kvm_t* kd, const struct kinfo_proc2* kproc, int* basenameEnd) {
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/*
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* Like OpenBSD's top(1), we try to fall back to the command name
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* Like NetBSD's top(1), we try to fall back to the command name
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* (argv[0]) if we fail to construct the full command.
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*/
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char** arg = kvm_getargv2(kd, kproc, 500);
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@ -202,7 +151,7 @@ static char* NetBSDProcessList_readProcessName(kvm_t* kd, const struct kinfo_pro
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}
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/*
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* Taken from OpenBSD's ps(1).
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* Borrowed with modifications from NetBSD's top(1).
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*/
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static double getpcpu(const struct kinfo_proc2* kp) {
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if (fscale == 0)
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@ -217,7 +166,7 @@ static void NetBSDProcessList_scanProcs(NetBSDProcessList* this) {
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bool hideUserlandThreads = settings->hideUserlandThreads;
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int count = 0;
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int nlwps = 0;
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const struct kinfo_proc2* kprocs = kvm_getproc2(this->kd, KERN_PROC_ALL, 0, sizeof(struct kinfo_proc2), &count);
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for (int i = 0; i < count; i++) {
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@ -225,7 +174,6 @@ static void NetBSDProcessList_scanProcs(NetBSDProcessList* this) {
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bool preExisting = false;
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Process* proc = ProcessList_getProcess(&this->super, kproc->p_pid, &preExisting, NetBSDProcess_new);
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//NetBSDProcess* fp = (NetBSDProcess*) proc;
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proc->show = ! ((hideKernelThreads && Process_isKernelThread(proc)) || (hideUserlandThreads && Process_isUserlandThread(proc)));
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@ -248,20 +196,18 @@ static void NetBSDProcessList_scanProcs(NetBSDProcessList* this) {
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proc->comm = NetBSDProcessList_readProcessName(this->kd, kproc, &proc->basenameOffset);
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}
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}
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proc->m_virt = kproc->p_vm_vsize;
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proc->m_resident = kproc->p_vm_rssize;
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proc->percent_mem = (proc->m_resident * pageSizeKB) / (double)(this->super.totalMem) * 100.0;
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proc->percent_cpu = CLAMP(getpcpu(kproc), 0.0, this->super.cpuCount * 100.0);
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//proc->nlwp = kproc->p_numthreads;
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proc->nlwp = kproc->p_nlwps;
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proc->nice = kproc->p_nice - 20;
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proc->time = 100 * (kproc->p_rtime_sec + ((kproc->p_rtime_usec + 500000) / 1000000));
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proc->priority = kproc->p_priority - PZERO;
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struct kinfo_lwp* klwps = kvm_getlwps(this->kd, kproc->p_pid, kproc->p_paddr, sizeof(struct kinfo_lwp), &nlwps);
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proc->nlwp = nlwps;
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switch (kproc->p_realstat) {
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case SIDL: proc->state = 'I'; break;
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case SACTIVE:
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@ -285,21 +231,6 @@ static void NetBSDProcessList_scanProcs(NetBSDProcessList* this) {
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case SDEAD: proc->state = 'D'; break;
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default: proc->state = '?';
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}
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// switch (kproc->p_stat) {
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// case SIDL: proc->state = 'I'; break;
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// case SRUN: proc->state = 'R'; break;
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// case SSLEEP: proc->state = 'S'; break;
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// case SSTOP: proc->state = 'T'; break;
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// case SZOMB: proc->state = 'Z'; break;
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// case SDEAD: proc->state = 'D'; break;
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// case SONPROC: proc->state = 'P'; break;
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// default: proc->state = '?';
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// }
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//
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// if (Process_isKernelThread(proc)) {
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// this->super.kernelThreads++;
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// }
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this->super.totalTasks++;
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// SRUN ('R') means runnable, not running
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@ -330,20 +261,11 @@ static void kernelCPUTimesToHtop(const u_int64_t* times, CPUData* cpu) {
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unsigned long long sysAllTime = times[CP_INTR] + times[CP_SYS];
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// XXX Not sure if CP_SPIN should be added to sysAllTime.
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// See https://github.com/openbsd/src/commit/531d8034253fb82282f0f353c086e9ad827e031c
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#ifdef CP_SPIN
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sysAllTime += times[CP_SPIN];
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#endif
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cpu->totalPeriod = saturatingSub(totalTime, cpu->totalTime);
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cpu->userPeriod = saturatingSub(times[CP_USER], cpu->userTime);
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cpu->nicePeriod = saturatingSub(times[CP_NICE], cpu->niceTime);
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cpu->sysPeriod = saturatingSub(times[CP_SYS], cpu->sysTime);
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cpu->sysAllPeriod = saturatingSub(sysAllTime, cpu->sysAllTime);
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#ifdef CP_SPIN
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cpu->spinPeriod = saturatingSub(times[CP_SPIN], cpu->spinTime);
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#endif
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cpu->intrPeriod = saturatingSub(times[CP_INTR], cpu->intrTime);
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cpu->idlePeriod = saturatingSub(times[CP_IDLE], cpu->idleTime);
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@ -352,9 +274,6 @@ static void kernelCPUTimesToHtop(const u_int64_t* times, CPUData* cpu) {
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cpu->niceTime = times[CP_NICE];
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cpu->sysTime = times[CP_SYS];
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cpu->sysAllTime = sysAllTime;
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#ifdef CP_SPIN
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cpu->spinTime = times[CP_SPIN];
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#endif
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cpu->intrTime = times[CP_INTR];
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cpu->idleTime = times[CP_IDLE];
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}
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@ -371,9 +290,6 @@ static void NetBSDProcessList_scanCPUTime(NetBSDProcessList* this) {
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avg[CP_USER] += cpu->userTime;
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avg[CP_NICE] += cpu->niceTime;
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avg[CP_SYS] += cpu->sysTime;
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#ifdef CP_SPIN
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avg[CP_SPIN] += cpu->spinTime;
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#endif
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avg[CP_INTR] += cpu->intrTime;
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avg[CP_IDLE] += cpu->idleTime;
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}
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