# endif
/* #endif KERNEL_LINUX */
+#elif HAVE_KVM_H
+# include <kvm.h>
+# include <sys/user.h>
+# include <sys/proc.h>
+# if HAVE_SYS_SYSCTL_H
+# include <sys/sysctl.h>
+# endif
+/* #endif HAVE_KVM_H */
+
#else
# error "No applicable input method."
#endif
+#if HAVE_REGEX_H
+# include <regex.h>
+#endif
+
#define BUFSIZE 256
static const char *config_keys[] =
{
"Process",
+ "ProcessMatch",
NULL
};
-static int config_keys_num = 1;
+static int config_keys_num = 2;
typedef struct procstat_entry_s
{
typedef struct procstat
{
char name[PROCSTAT_NAME_LEN];
+#if HAVE_REGEX_H
+ regex_t *re;
+#endif
unsigned long num_proc;
unsigned long num_lwp;
static long pagesize_g;
#endif /* KERNEL_LINUX */
-static void ps_list_register (const char *name)
+/* put name of process from config to list_head_g tree
+ list_head_g is a list of 'procstat_t' structs with
+ processes names we want to watch */
+static void ps_list_register (const char *name, const char *regexp)
{
procstat_t *new;
procstat_t *ptr;
memset (new, 0, sizeof (procstat_t));
sstrncpy (new->name, name, sizeof (new->name));
+ if (regexp != NULL)
+ {
+#if HAVE_REGEX_H
+ DEBUG ("ProcessMatch: adding \"%s\" as criteria to process %s.", regexp, name);
+ if ((new->re = (regex_t *) malloc (sizeof (regex_t))) != NULL)
+ {
+ if (regcomp(new->re, regexp, REG_EXTENDED|REG_NOSUB) != 0)
+ {
+ DEBUG ("ProcessMatch: compiling the regular expression \"%s\" failed.", regexp);
+ sfree(new->re);
+ }
+ } else {
+ DEBUG("ProcessMatch: malloc failed when allocating memory for regexp!");
+ }
+#else
+ DEBUG("ProcessMatch: regexp '%s' met in config file, but regexps are not supported!", regexp);
+#endif
+ }
+
for (ptr = list_head_g; ptr != NULL; ptr = ptr->next)
{
if (strcmp (ptr->name, name) == 0)
ptr->next = new;
}
-static procstat_t *ps_list_search (const char *name)
+/* try to match name against entry, returns 1 if success */
+static int ps_list_match (const char *name, const char *cmdline, procstat_t *ps)
{
- procstat_t *ptr;
-
- for (ptr = list_head_g; ptr != NULL; ptr = ptr->next)
- if (strcmp (ptr->name, name) == 0)
- break;
-
- return (ptr);
+ if ((ps->re != NULL) && (regexec(ps->re, (strlen(cmdline)!=0)?cmdline:name, 0, NULL, 0) == 0))
+ return (1);
+ if (strcmp (ps->name, name) == 0) {
+ return (1);
+ }
+ return (0);
}
-static void ps_list_add (const char *name, procstat_entry_t *entry)
+/* add process entry to 'instances' of process 'name' (or refresh it) */
+static void ps_list_add (const char *name, const char *cmdline, procstat_entry_t *entry)
{
procstat_t *ps;
procstat_entry_t *pse;
if (entry->id == 0)
return;
- if ((ps = ps_list_search (name)) == NULL)
- return;
-
- for (pse = ps->instances; pse != NULL; pse = pse->next)
- if ((pse->id == entry->id) || (pse->next == NULL))
- break;
-
- if ((pse == NULL) || (pse->id != entry->id))
+ for (ps = list_head_g; ps != NULL; ps = ps->next)
{
- procstat_entry_t *new;
- new = (procstat_entry_t *) malloc (sizeof (procstat_entry_t));
- if (new == NULL)
- return;
- memset (new, 0, sizeof (procstat_entry_t));
- new->id = entry->id;
+ if ((ps_list_match (name, cmdline, ps)) == 0)
+ continue;
- if (pse == NULL)
- ps->instances = new;
- else
- pse->next = new;
+ for (pse = ps->instances; pse != NULL; pse = pse->next)
+ if ((pse->id == entry->id) || (pse->next == NULL))
+ break;
- pse = new;
- }
+ if ((pse == NULL) || (pse->id != entry->id))
+ {
+ procstat_entry_t *new;
+
+ new = (procstat_entry_t *) malloc (sizeof (procstat_entry_t));
+ if (new == NULL)
+ return;
+ memset (new, 0, sizeof (procstat_entry_t));
+ new->id = entry->id;
+
+ if (pse == NULL)
+ ps->instances = new;
+ else
+ pse->next = new;
- pse->age = 0;
- pse->num_proc = entry->num_proc;
- pse->num_lwp = entry->num_lwp;
- pse->vmem_rss = entry->vmem_rss;
+ pse = new;
+ }
- ps->num_proc += pse->num_proc;
- ps->num_lwp += pse->num_lwp;
- ps->vmem_rss += pse->vmem_rss;
+ pse->age = 0;
+ pse->num_proc = entry->num_proc;
+ pse->num_lwp = entry->num_lwp;
+ pse->vmem_rss = entry->vmem_rss;
- if ((entry->vmem_minflt_counter == 0)
- && (entry->vmem_majflt_counter == 0))
- {
- pse->vmem_minflt_counter += entry->vmem_minflt;
- pse->vmem_minflt = entry->vmem_minflt;
+ ps->num_proc += pse->num_proc;
+ ps->num_lwp += pse->num_lwp;
+ ps->vmem_rss += pse->vmem_rss;
- pse->vmem_majflt_counter += entry->vmem_majflt;
- pse->vmem_majflt = entry->vmem_majflt;
- }
- else
- {
- if (entry->vmem_minflt_counter < pse->vmem_minflt_counter)
- {
- pse->vmem_minflt = entry->vmem_minflt_counter
- + (ULONG_MAX - pse->vmem_minflt_counter);
- }
- else
+ if ((entry->vmem_minflt_counter == 0)
+ && (entry->vmem_majflt_counter == 0))
{
- pse->vmem_minflt = entry->vmem_minflt_counter - pse->vmem_minflt_counter;
- }
- pse->vmem_minflt_counter = entry->vmem_minflt_counter;
+ pse->vmem_minflt_counter += entry->vmem_minflt;
+ pse->vmem_minflt = entry->vmem_minflt;
- if (entry->vmem_majflt_counter < pse->vmem_majflt_counter)
- {
- pse->vmem_majflt = entry->vmem_majflt_counter
- + (ULONG_MAX - pse->vmem_majflt_counter);
+ pse->vmem_majflt_counter += entry->vmem_majflt;
+ pse->vmem_majflt = entry->vmem_majflt;
}
else
{
- pse->vmem_majflt = entry->vmem_majflt_counter - pse->vmem_majflt_counter;
+ if (entry->vmem_minflt_counter < pse->vmem_minflt_counter)
+ {
+ pse->vmem_minflt = entry->vmem_minflt_counter
+ + (ULONG_MAX - pse->vmem_minflt_counter);
+ }
+ else
+ {
+ pse->vmem_minflt = entry->vmem_minflt_counter - pse->vmem_minflt_counter;
+ }
+ pse->vmem_minflt_counter = entry->vmem_minflt_counter;
+
+ if (entry->vmem_majflt_counter < pse->vmem_majflt_counter)
+ {
+ pse->vmem_majflt = entry->vmem_majflt_counter
+ + (ULONG_MAX - pse->vmem_majflt_counter);
+ }
+ else
+ {
+ pse->vmem_majflt = entry->vmem_majflt_counter - pse->vmem_majflt_counter;
+ }
+ pse->vmem_majflt_counter = entry->vmem_majflt_counter;
}
- pse->vmem_majflt_counter = entry->vmem_majflt_counter;
- }
-
- ps->vmem_minflt_counter += pse->vmem_minflt;
- ps->vmem_majflt_counter += pse->vmem_majflt;
- if ((entry->cpu_user_counter == 0)
- && (entry->cpu_system_counter == 0))
- {
- pse->cpu_user_counter += entry->cpu_user;
- pse->cpu_user = entry->cpu_user;
+ ps->vmem_minflt_counter += pse->vmem_minflt;
+ ps->vmem_majflt_counter += pse->vmem_majflt;
- pse->cpu_system_counter += entry->cpu_system;
- pse->cpu_system = entry->cpu_system;
- }
- else
- {
- if (entry->cpu_user_counter < pse->cpu_user_counter)
- {
- pse->cpu_user = entry->cpu_user_counter
- + (ULONG_MAX - pse->cpu_user_counter);
- }
- else
+ if ((entry->cpu_user_counter == 0)
+ && (entry->cpu_system_counter == 0))
{
- pse->cpu_user = entry->cpu_user_counter - pse->cpu_user_counter;
- }
- pse->cpu_user_counter = entry->cpu_user_counter;
+ pse->cpu_user_counter += entry->cpu_user;
+ pse->cpu_user = entry->cpu_user;
- if (entry->cpu_system_counter < pse->cpu_system_counter)
- {
- pse->cpu_system = entry->cpu_system_counter
- + (ULONG_MAX - pse->cpu_system_counter);
+ pse->cpu_system_counter += entry->cpu_system;
+ pse->cpu_system = entry->cpu_system;
}
else
{
- pse->cpu_system = entry->cpu_system_counter - pse->cpu_system_counter;
+ if (entry->cpu_user_counter < pse->cpu_user_counter)
+ {
+ pse->cpu_user = entry->cpu_user_counter
+ + (ULONG_MAX - pse->cpu_user_counter);
+ }
+ else
+ {
+ pse->cpu_user = entry->cpu_user_counter - pse->cpu_user_counter;
+ }
+ pse->cpu_user_counter = entry->cpu_user_counter;
+
+ if (entry->cpu_system_counter < pse->cpu_system_counter)
+ {
+ pse->cpu_system = entry->cpu_system_counter
+ + (ULONG_MAX - pse->cpu_system_counter);
+ }
+ else
+ {
+ pse->cpu_system = entry->cpu_system_counter - pse->cpu_system_counter;
+ }
+ pse->cpu_system_counter = entry->cpu_system_counter;
}
- pse->cpu_system_counter = entry->cpu_system_counter;
- }
- ps->cpu_user_counter += pse->cpu_user;
- ps->cpu_system_counter += pse->cpu_system;
+ ps->cpu_user_counter += pse->cpu_user;
+ ps->cpu_system_counter += pse->cpu_system;
+ }
}
+/* remove old entries from instances of processes in list_head_g */
static void ps_list_reset (void)
{
procstat_t *ps;
} /* for (ps = list_head_g; ps != NULL; ps = ps->next) */
}
+/* put all pre-defined 'Process' names from config to list_head_g tree */
static int ps_config (const char *key, const char *value)
{
+ char *new_val;
+ char *fields[2];
+ int fields_num;
+
if (strcasecmp (key, "Process") == 0)
{
- ps_list_register (value);
+ ps_list_register (value, NULL);
+ return (0);
}
- else
+
+ if (strcasecmp (key, "ProcessMatch") == 0)
{
- return (-1);
+ new_val = strdup (value);
+ if (new_val == NULL)
+ return (-1);
+ fields_num = strsplit (new_val, fields, 2);
+ if (fields_num != 2)
+ {
+ sfree (new_val);
+ return (-1);
+ }
+ ps_list_register (fields[0], fields[1]);
+ sfree (new_val);
+ return (0);
}
- return (0);
+ return (-1);
}
static int ps_init (void)
return (0);
} /* int ps_init */
+/* submit global state (e.g.: qty of zombies, running, etc..) */
static void ps_submit_state (const char *state, double value)
{
value_t values[1];
plugin_dispatch_values (&vl);
}
+/* submit info about specific process (e.g.: memory taken, cpu usage, etc..) */
static void ps_submit_proc_list (procstat_t *ps)
{
value_t values[2];
ps->cpu_user_counter, ps->cpu_system_counter);
} /* void ps_submit_proc_list */
+/* ------- additional functions for KERNEL_LINUX/HAVE_THREAD_INFO ------- */
#if KERNEL_LINUX
static int *ps_read_tasks (int pid)
{
return (0);
}
#endif /* HAVE_THREAD_INFO */
+/* ------- end of additional functions for KERNEL_LINUX/HAVE_THREAD_INFO ------- */
+/* do actual readings from kernel */
static int ps_read (void)
{
#if HAVE_THREAD_INFO
if (mach_get_task_name (task_list[task],
&task_pid,
task_name, PROCSTAT_NAME_LEN) == 0)
- ps = ps_list_search (task_name);
+ {
+ /* search for at least one match */
+ for (ps = list_head_g; ps != NULL; ps = ps->next)
+ if (ps_list_match(task_name, NULL, ps) == 1) //!!! cmdline should be here instead of NULL
+ break;
+ }
/* Collect more detailed statistics for this process */
if (ps != NULL)
}
if (ps != NULL)
- ps_list_add (task_name, &pse);
+ ps_list_add (task_name, NULL, &pse); //!!! cmdline should be here instead of NULL
} /* for (task_list) */
if ((status = vm_deallocate (port_task_self,
case 'W': paging++; break;
}
- ps_list_add (ps.name, &pse);
+ ps_list_add (ps.name, NULL, &pse); //!!! cmdline should be here instead of NULL
}
closedir (proc);
for (ps_ptr = list_head_g; ps_ptr != NULL; ps_ptr = ps_ptr->next)
ps_submit_proc_list (ps_ptr);
-#endif /* KERNEL_LINUX */
+/* #endif KERNEL_LINUX */
+
+#elif HAVE_LIBKVM
+ int running = 0;
+ int sleeping = 0;
+ int zombies = 0;
+ int stopped = 0;
+ int blocked = 0;
+ int idle = 0;
+ int wait = 0;
+
+ kvm_t *kd;
+ char errbuf[1024];
+ char cmdline[ARG_MAX];
+ struct kinfo_proc *procs; /* array of processes */
+ char ** argv;
+ int count; /* returns number of processes */
+ int i, j;
+
+ procstat_t *ps_ptr;
+ procstat_entry_t pse;
+
+ ps_list_reset ();
+
+ /* Open the kvm interface, get a descriptor */
+ if ((kd = kvm_open(NULL, NULL, NULL, 0, errbuf)) == NULL) {
+ ERROR ("Cannot open kvm interface: %s", errbuf);
+ return (0);
+ }
+
+ /* Get the list of processes. */
+ if ((procs = kvm_getprocs(kd, KERN_PROC_ALL, 0, &count)) == NULL) {
+ kvm_close(kd);
+ ERROR ("Cannot get kvm processes list: %s", kvm_geterr(kd));
+ return (0);
+ }
+
+ /* Iterate through the processes in kinfo_proc */
+ for (i=0; i < count; i++) {
+ // retrieve the arguments
+ *cmdline = '\0';
+ argv = kvm_getargv(kd, (const struct kinfo_proc *) &(procs[i]), 0);
+ if (argv) {
+ j = 0;
+ while (argv[j] && strlen(cmdline) <= ARG_MAX) {
+ if (j)
+ strncat(cmdline, " ", 1);
+ strncat(cmdline, argv[j], strlen(argv[j]));
+ j++;
+ }
+ }
+
+ pse.id = procs[i].ki_pid;
+ pse.age = 0;
+
+ pse.num_proc = 1;
+ pse.num_lwp = procs[i].ki_numthreads;
+
+ pse.vmem_rss = procs[i].ki_rssize * getpagesize();
+ pse.vmem_minflt = 0;
+ pse.vmem_minflt_counter = procs[i].ki_rusage.ru_minflt;
+ pse.vmem_majflt = 0;
+ pse.vmem_majflt_counter = procs[i].ki_rusage.ru_majflt;
+
+ pse.cpu_user = 0;
+ pse.cpu_user_counter = procs[i].ki_rusage.ru_utime.tv_sec*1000 + procs[i].ki_rusage.ru_utime.tv_usec;
+ pse.cpu_system = 0;
+ pse.cpu_system_counter = procs[i].ki_rusage.ru_stime.tv_sec*1000 + procs[i].ki_rusage.ru_stime.tv_usec;
+
+ switch (procs[i].ki_stat) {
+ case SSTOP: stopped++; break;
+ case SSLEEP: sleeping++; break;
+ case SRUN: running++; break;
+ case SIDL: idle++; break;
+ case SWAIT: wait++; break;
+ case SLOCK: blocked++; break;
+ case SZOMB: zombies++; break;
+ }
+
+ ps_list_add (procs[i].ki_comm, cmdline, &pse);
+ }
+
+ if (kd) kvm_close(kd);
+
+ ps_submit_state ("running", running);
+ ps_submit_state ("sleeping", sleeping);
+ ps_submit_state ("zombies", zombies);
+ ps_submit_state ("stopped", stopped);
+ ps_submit_state ("blocked", blocked);
+ ps_submit_state ("idle", idle);
+ ps_submit_state ("wait", wait);
+
+ for (ps_ptr = list_head_g; ps_ptr != NULL; ps_ptr = ps_ptr->next)
+ ps_submit_proc_list (ps_ptr);
+
+#endif /* HAVE_LIBKVM */
return (0);
} /* int ps_read */