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-rw-r--r--darwin/DarwinProcessTable.c126
1 files changed, 126 insertions, 0 deletions
diff --git a/darwin/DarwinProcessTable.c b/darwin/DarwinProcessTable.c
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+/*
+htop - DarwinProcessTable.c
+(C) 2014 Hisham H. Muhammad
+Released under the GNU GPLv2+, see the COPYING file
+in the source distribution for its full text.
+*/
+
+#include "darwin/DarwinProcessTable.h"
+
+#include <errno.h>
+#include <libproc.h>
+#include <stdbool.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <utmpx.h>
+#include <sys/mman.h>
+#include <sys/sysctl.h>
+
+#include "CRT.h"
+#include "ProcessTable.h"
+#include "darwin/DarwinMachine.h"
+#include "darwin/DarwinProcess.h"
+#include "darwin/Platform.h"
+#include "darwin/PlatformHelpers.h"
+#include "generic/openzfs_sysctl.h"
+#include "zfs/ZfsArcStats.h"
+
+
+static struct kinfo_proc* ProcessTable_getKInfoProcs(size_t* count) {
+ int mib[4] = { CTL_KERN, KERN_PROC, KERN_PROC_ALL, 0 };
+ struct kinfo_proc* processes = NULL;
+
+ for (unsigned int retry = 0; retry < 4; retry++) {
+ size_t size = 0;
+ if (sysctl(mib, 4, NULL, &size, NULL, 0) < 0 || size == 0) {
+ CRT_fatalError("Unable to get size of kproc_infos");
+ }
+
+ size += 16 * retry * retry * sizeof(struct kinfo_proc);
+ processes = xRealloc(processes, size);
+
+ if (sysctl(mib, 4, processes, &size, NULL, 0) == 0) {
+ *count = size / sizeof(struct kinfo_proc);
+ return processes;
+ }
+
+ if (errno != ENOMEM)
+ break;
+ }
+
+ CRT_fatalError("Unable to get kinfo_procs");
+}
+
+ProcessTable* ProcessTable_new(Machine* host, Hashtable* pidMatchList) {
+ DarwinProcessTable* this = xCalloc(1, sizeof(DarwinProcessTable));
+ Object_setClass(this, Class(ProcessTable));
+
+ ProcessTable* super = &this->super;
+ ProcessTable_init(super, Class(DarwinProcess), host, pidMatchList);
+
+ return super;
+}
+
+void ProcessTable_delete(Object* cast) {
+ DarwinProcessTable* this = (DarwinProcessTable*) cast;
+ ProcessTable_done(&this->super);
+ free(this);
+}
+
+void ProcessTable_goThroughEntries(ProcessTable* super) {
+ const Machine* host = super->super.host;
+ const DarwinMachine* dhost = (const DarwinMachine*) host;
+ DarwinProcessTable* dpt = (DarwinProcessTable*) super;
+ bool preExisting = true;
+ struct kinfo_proc* ps;
+ size_t count;
+ DarwinProcess* proc;
+
+ /* Get the time difference */
+ dpt->global_diff = 0;
+ for (unsigned int i = 0; i < host->existingCPUs; ++i) {
+ for (size_t j = 0; j < CPU_STATE_MAX; ++j) {
+ dpt->global_diff += dhost->curr_load[i].cpu_ticks[j] - dhost->prev_load[i].cpu_ticks[j];
+ }
+ }
+
+ const double time_interval_ns = Platform_schedulerTicksToNanoseconds(dpt->global_diff) / (double) host->activeCPUs;
+
+ /* We use kinfo_procs for initial data since :
+ *
+ * 1) They always succeed.
+ * 2) They contain the basic information.
+ *
+ * We attempt to fill-in additional information with libproc.
+ */
+ ps = ProcessTable_getKInfoProcs(&count);
+
+ for (size_t i = 0; i < count; ++i) {
+ proc = (DarwinProcess*)ProcessTable_getProcess(super, ps[i].kp_proc.p_pid, &preExisting, DarwinProcess_new);
+
+ DarwinProcess_setFromKInfoProc(&proc->super, &ps[i], preExisting);
+ DarwinProcess_setFromLibprocPidinfo(proc, dpt, time_interval_ns);
+
+ if (proc->super.st_uid != ps[i].kp_eproc.e_ucred.cr_uid) {
+ proc->super.st_uid = ps[i].kp_eproc.e_ucred.cr_uid;
+ proc->super.user = UsersTable_getRef(host->usersTable, proc->super.st_uid);
+ }
+
+ // Disabled for High Sierra due to bug in macOS High Sierra
+ bool isScanThreadSupported = !Platform_KernelVersionIsBetween((KernelVersion) {17, 0, 0}, (KernelVersion) {17, 5, 0});
+
+ if (isScanThreadSupported) {
+ DarwinProcess_scanThreads(proc);
+ }
+
+ super->totalTasks += 1;
+
+ if (!preExisting) {
+ ProcessTable_add(super, &proc->super);
+ }
+ }
+
+ free(ps);
+}