From 907f8298a0337510f9f048df65a9f5d032f09d14 Mon Sep 17 00:00:00 2001 From: David Hunt Date: Tue, 14 Jul 2015 11:46:16 -0500 Subject: CPU per process implemented --- darwin/DarwinProcess.c | 86 +++++++++++++++++++++++++++++----------------- darwin/DarwinProcess.h | 17 ++++++--- darwin/DarwinProcessList.c | 22 ++++++++---- darwin/DarwinProcessList.h | 1 + 4 files changed, 83 insertions(+), 43 deletions(-) (limited to 'darwin') diff --git a/darwin/DarwinProcess.c b/darwin/DarwinProcess.c index 6fe947ea..83329dba 100644 --- a/darwin/DarwinProcess.c +++ b/darwin/DarwinProcess.c @@ -11,6 +11,7 @@ in the source distribution for its full text. #include #include #include +#include /*{ #include "Settings.h" @@ -18,24 +19,45 @@ in the source distribution for its full text. #include +typedef struct DarwinProcess_ { + Process super; + + uint64_t utime; + uint64_t stime; +} DarwinProcess; + }*/ -Process* DarwinProcess_new(Settings* settings) { - Process* this = calloc(sizeof(Process), 1); - Object_setClass(this, Class(Process)); - Process_init(this, settings); +ProcessClass DarwinProcess_class = { + .super = { + .extends = Class(Process), + .display = Process_display, + .delete = Process_delete, + .compare = Process_compare + }, + .writeField = Process_writeField, +}; + +DarwinProcess* DarwinProcess_new(Settings* settings) { + DarwinProcess* this = calloc(sizeof(DarwinProcess), 1); + Object_setClass(this, Class(DarwinProcess)); + Process_init(&this->super, settings); + + this->utime = 0; + this->stime = 0; + return this; } void Process_delete(Object* cast) { - Process* this = (Process*) cast; - Object_setClass(this, Class(Process)); - Process_done((Process*)cast); + DarwinProcess* this = (DarwinProcess*) cast; + Process_done(&this->super); // free platform-specific fields here free(this); } bool Process_isThread(Process* this) { + (void) this; return false; } @@ -47,7 +69,7 @@ void DarwinProcess_setStartTime(Process *proc, struct extern_proc *ep, time_t no strftime(proc->starttime_show, 7, ((proc->starttime_ctime > now - 86400) ? "%R " : "%b%d "), &date); } -char *DarwinProcessList_getCmdLine(struct kinfo_proc* k, int show_args ) { +char *DarwinProcess_getCmdLine(struct kinfo_proc* k, int show_args ) { /* This function is from the old Mac version of htop. Originally from ps? */ int mib[3], argmax, nargs, c = 0; size_t size; @@ -264,7 +286,7 @@ void DarwinProcess_setFromKInfoProc(Process *proc, struct kinfo_proc *ps, time_t /* The command is from the old Mac htop */ char *slash; - proc->comm = DarwinProcessList_getCmdLine(ps, false); + proc->comm = DarwinProcess_getCmdLine(ps, false); slash = strrchr(proc->comm, '/'); proc->basenameOffset = (NULL != slash) ? (slash - proc->comm) : 0; } @@ -287,36 +309,36 @@ void DarwinProcess_setFromKInfoProc(Process *proc, struct kinfo_proc *ps, time_t proc->updated = true; } -void DarwinProcess_setFromLibprocPidinfo(Process *proc, DarwinProcessList *dpl, bool preExisting) { +void DarwinProcess_setFromLibprocPidinfo(DarwinProcess *proc, DarwinProcessList *dpl) { struct proc_taskinfo pti; - if(sizeof(pti) == proc_pidinfo(proc->pid, PROC_PIDTASKINFO, 0, &pti, sizeof(pti))) { - proc->time = (pti.pti_total_system + pti.pti_total_user) / 10000000; - proc->nlwp = pti.pti_threadnum; - proc->m_size = pti.pti_virtual_size / 1024; - proc->m_resident = pti.pti_resident_size / 1024; - proc->majflt = pti.pti_faults; - proc->percent_mem = (double)pti.pti_resident_size * 100.0 + if(sizeof(pti) == proc_pidinfo(proc->super.pid, PROC_PIDTASKINFO, 0, &pti, sizeof(pti))) { + if(0 != proc->utime || 0 != proc->stime) { + uint64_t diff = (pti.pti_total_system - proc->stime) + + (pti.pti_total_user - proc->utime); + + proc->super.percent_cpu = (double)diff * (double)dpl->super.cpuCount + / ((double)dpl->global_diff * 100000.0); + +// fprintf(stderr, "%f %llu %llu %llu %llu %llu\n", proc->super.percent_cpu, +// proc->stime, proc->utime, pti.pti_total_system, pti.pti_total_user, dpl->global_diff); +// exit(7); + } + + proc->super.time = (pti.pti_total_system + pti.pti_total_user) / 10000000; + proc->super.nlwp = pti.pti_threadnum; + proc->super.m_size = pti.pti_virtual_size / 1024; + proc->super.m_resident = pti.pti_resident_size / 1024; + proc->super.majflt = pti.pti_faults; + proc->super.percent_mem = (double)pti.pti_resident_size * 100.0 / (double)dpl->host_info.max_mem; + proc->stime = pti.pti_total_system; + proc->utime = pti.pti_total_user; + dpl->super.kernelThreads += 0; /*pti.pti_threads_system;*/ dpl->super.userlandThreads += pti.pti_threadnum; /*pti.pti_threads_user;*/ dpl->super.totalTasks += pti.pti_threadnum; dpl->super.runningTasks += pti.pti_numrunning; } } - -void DarwinProcess_parseThreads(Process *proc, time_t now, bool preExisting) { - static const size_t IDS_SZ = sizeof(uint64_t) * 2048; - - uint64_t *thread_ids = (uint64_t *)malloc(IDS_SZ); - size_t bytes = proc_pidinfo(proc->pid, PROC_PIDLISTTHREADS, 0, thread_ids, IDS_SZ); - - if(0 < bytes) { - size_t count = bytes / sizeof(uint64_t); - - proc->nlwp = count; - } - - free(thread_ids); /* TODO Keep reusing this block */ -} diff --git a/darwin/DarwinProcess.h b/darwin/DarwinProcess.h index 3c4f2e0b..c479acfd 100644 --- a/darwin/DarwinProcess.h +++ b/darwin/DarwinProcess.h @@ -14,8 +14,17 @@ in the source distribution for its full text. #include +typedef struct DarwinProcess_ { + Process super; -Process* DarwinProcess_new(Settings* settings); + uint64_t utime; + uint64_t stime; +} DarwinProcess; + + +extern ProcessClass DarwinProcess_class; + +DarwinProcess* DarwinProcess_new(Settings* settings); void Process_delete(Object* cast); @@ -23,12 +32,10 @@ bool Process_isThread(Process* this); void DarwinProcess_setStartTime(Process *proc, struct extern_proc *ep, time_t now); -char *DarwinProcessList_getCmdLine(struct kinfo_proc* k, int show_args ); +char *DarwinProcess_getCmdLine(struct kinfo_proc* k, int show_args ); void DarwinProcess_setFromKInfoProc(Process *proc, struct kinfo_proc *ps, time_t now, bool exists); -void DarwinProcess_setFromLibprocPidinfo(Process *proc, DarwinProcessList *dpl, bool preExisting); - -void DarwinProcess_parseThreads(Process *proc, time_t now, bool preExisting); +void DarwinProcess_setFromLibprocPidinfo(DarwinProcess *proc, DarwinProcessList *dpl); #endif diff --git a/darwin/DarwinProcessList.c b/darwin/DarwinProcessList.c index ea91ecb7..5d125891 100644 --- a/darwin/DarwinProcessList.c +++ b/darwin/DarwinProcessList.c @@ -32,6 +32,7 @@ typedef struct DarwinProcessList_ { processor_cpu_load_info_t curr_load; uint64_t kernel_threads; uint64_t user_threads; + uint64_t global_diff; } DarwinProcessList; }*/ @@ -60,6 +61,7 @@ unsigned ProcessList_allocateCPULoadInfo(processor_cpu_load_info_t *p) { mach_msg_type_number_t info_size = sizeof(processor_cpu_load_info_t); unsigned cpu_count; + // TODO Improving the accuracy of the load counts woule help a lot. if(0 != host_processor_info(mach_host_self(), PROCESSOR_CPU_LOAD_INFO, &cpu_count, (processor_info_array_t *)p, &info_size)) { fprintf(stderr, "Unable to retrieve CPU info\n"); exit(4); @@ -139,7 +141,7 @@ void ProcessList_goThroughEntries(ProcessList* super) { bool preExisting = true; struct kinfo_proc *ps; size_t count; - Process *proc; + DarwinProcess *proc; struct timeval tv; gettimeofday(&tv, NULL); /* Start processing time */ @@ -150,6 +152,14 @@ void ProcessList_goThroughEntries(ProcessList* super) { ProcessList_allocateCPULoadInfo(&dpl->curr_load); ProcessList_getVMStats(&dpl->vm_stats); + /* Get the time difference */ + dpl->global_diff = 0; + for(int i = 0; i < dpl->super.cpuCount; ++i) { + for(size_t j = 0; j < CPU_STATE_MAX; ++j) { + dpl->global_diff += dpl->curr_load[i].cpu_ticks[j] - dpl->prev_load[i].cpu_ticks[j]; + } + } + /* Clear the thread counts */ super->kernelThreads = 0; super->userlandThreads = 0; @@ -166,17 +176,17 @@ void ProcessList_goThroughEntries(ProcessList* super) { ps = ProcessList_getKInfoProcs(&count); for(size_t i = 0; i < count; ++i) { - proc = ProcessList_getProcess(super, ps[i].kp_proc.p_pid, &preExisting, DarwinProcess_new); + proc = (DarwinProcess *)ProcessList_getProcess(super, ps[i].kp_proc.p_pid, &preExisting, (Process_New)DarwinProcess_new); - DarwinProcess_setFromKInfoProc(proc, ps + i, tv.tv_sec, preExisting); - DarwinProcess_setFromLibprocPidinfo(proc, dpl, preExisting); + DarwinProcess_setFromKInfoProc(&proc->super, ps + i, tv.tv_sec, preExisting); + DarwinProcess_setFromLibprocPidinfo(proc, dpl); super->totalTasks += 1; if(!preExisting) { - proc->user = UsersTable_getRef(super->usersTable, proc->st_uid); + proc->super.user = UsersTable_getRef(super->usersTable, proc->super.st_uid); - ProcessList_add(super, proc); + ProcessList_add(super, &proc->super); } } diff --git a/darwin/DarwinProcessList.h b/darwin/DarwinProcessList.h index e02ea2dd..8b4b985a 100644 --- a/darwin/DarwinProcessList.h +++ b/darwin/DarwinProcessList.h @@ -22,6 +22,7 @@ typedef struct DarwinProcessList_ { processor_cpu_load_info_t curr_load; uint64_t kernel_threads; uint64_t user_threads; + uint64_t global_diff; } DarwinProcessList; 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