forked from enlightenment/evisum
FreeBSD: Get process argument list.
If we don't use this we're restricted to a small command buffer of 16 or so bytes the kernel will keep in the kp struct. Fallback to fallback...
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18fdfd8eb9
commit
42dd49f3c1
3
NEWS
3
NEWS
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@ -11,7 +11,10 @@ Evisum 0.4.0
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permissions (s+g kmem). We fallback if that fails.
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use a genlist (meh).
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* Save settings upon exit (kb/mb/gb) and sorting.
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* Reduce object creation and deletion.
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* Use object caching where applicable.
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* Remove redundant code.
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* FreeBSD et al. Get process arguments akin to Linux.
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* Other stuff.
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============
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@ -10,6 +10,7 @@
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#endif
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#if defined(__FreeBSD__) || defined(__DragonFly__) || defined(__OpenBSD__)
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# include <libgen.h>
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# include <unistd.h>
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# include <fcntl.h>
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# include <kvm.h>
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@ -561,31 +562,110 @@ _process_list_freebsd_get(void)
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{
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kvm_t *kern;
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Eina_List *list = NULL;
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struct kinfo_proc *kp;
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struct kinfo_proc *kps, *kp;
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struct rusage *usage;
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char **args;
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char errbuf[_POSIX2_LINE_MAX];
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int pid_count;
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static int pagesize = 0;
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if (!pagesize) pagesize = getpagesize();
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kern = kvm_openfiles(NULL, NULL, NULL, O_RDONLY, errbuf);
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if (!kern)
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return _process_list_freebsd_fallback_get();
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kp = kvm_getprocs(kern, KERN_PROC_PROC, 0, &pid_count);
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if (!kp) return _process_list_freebsd_fallback_get();
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kps = kvm_getprocs(kern, KERN_PROC_PROC, 0, &pid_count);
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if (!kps)
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{
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kvm_close(kern);
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return _process_list_freebsd_fallback_get();
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}
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for (int i = 0; i < pid_count; i++)
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{
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if (kp[i].ki_flag & P_KPROC)
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Eina_Bool have_command = EINA_FALSE;
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if (kps[i].ki_flag & P_KPROC)
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continue;
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Proc_Info *p = proc_info_by_pid(kp[i].ki_pid);
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kp = &kps[i];
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Proc_Info *p = calloc(1, sizeof(Proc_Info));
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if (!p) continue;
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p->pid = kp->ki_pid;
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p->uid = kp->ki_uid;
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p->cpu_id = kp->ki_oncpu;
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if (p->cpu_id == -1)
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p->cpu_id = kp->ki_lastcpu;
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if ((args = kvm_getargv(kern, kp, sizeof(p->command)-1)))
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{
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if (args[0])
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{
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char *base = basename(args[0]);
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if (base && base != args[0])
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{
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snprintf(p->command, sizeof(p->command), "%s", base);
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char *spc = strchr(p->command, ' ');
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if (!spc)
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have_command = EINA_TRUE;
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}
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}
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}
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if (!have_command)
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snprintf(p->command, sizeof(p->command), "%s", kp->ki_comm);
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usage = &kp->ki_rusage;
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p->cpu_time = (usage->ru_utime.tv_sec * 1000000) + usage->ru_utime.tv_usec + (usage->ru_stime.tv_sec * 1000000) + usage->ru_stime.tv_usec;
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p->cpu_time /= 10000;
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p->state = _process_state_name(kp->ki_stat);
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p->mem_size = kp->ki_size;
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p->mem_rss = kp->ki_rssize * pagesize;
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p->nice = kp->ki_nice - NZERO;
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p->priority = kp->ki_pri.pri_level - PZERO;
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p->numthreads = kp->ki_numthreads;
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list = eina_list_append(list, p);
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}
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kvm_close(kern);
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return list;
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}
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static void
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_cmd_get(Proc_Info *p, struct kinfo_proc *kp)
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{
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kvm_t * kern;
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char **args;
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Eina_Bool have_command = EINA_FALSE;
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kern = kvm_open(NULL, "/dev/null", NULL, O_RDONLY, "kvm_open");
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if (kern != NULL)
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{
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if ((args = kvm_getargv(kern, kp, sizeof(p->command)-1)))
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{
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if (args[0])
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{
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char *base = basename(args[0]);
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if (base && base != args[0])
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{
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snprintf(p->command, sizeof(p->command), "%s", base);
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char *spc = strchr(p->command, ' ');
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if (!spc)
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have_command = EINA_TRUE;
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}
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}
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}
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kvm_close(kern);
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}
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if (!have_command)
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snprintf(p->command, sizeof(p->command), "%s", kp->ki_comm);
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}
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Proc_Info *
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proc_info_by_pid(int pid)
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{
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@ -612,7 +692,7 @@ proc_info_by_pid(int pid)
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p->pid = kp.ki_pid;
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p->uid = kp.ki_uid;
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snprintf(p->command, sizeof(p->command), "%s", kp.ki_comm);
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_cmd_get(p, &kp);
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p->cpu_id = kp.ki_oncpu;
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if (p->cpu_id == -1)
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p->cpu_id = kp.ki_lastcpu;
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