*
* Authors:
* Lyonel Vincent <lyonel at ezix.org>
- * Florian octo Forster <octo at verplant.org>
+ * Florian octo Forster <octo at collectd.org>
* Oleg King <king2 at kaluga.ru>
* Sebastian Harl <sh at tokkee.org>
* Andrés J. Díaz <ajdiaz at connectical.com>
**/
#include "collectd.h"
+
#include "common.h"
#include "plugin.h"
-#include "configfile.h"
/* Include header files for the mach system, if they exist.. */
#if HAVE_THREAD_INFO
# endif
/* #endif KERNEL_LINUX */
-#elif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_FREEBSD
+#elif HAVE_LIBKVM_GETPROCS && (HAVE_STRUCT_KINFO_PROC_FREEBSD || HAVE_STRUCT_KINFO_PROC_OPENBSD)
# include <kvm.h>
# include <sys/param.h>
# include <sys/sysctl.h>
# include <sys/user.h>
# include <sys/proc.h>
-/* #endif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_FREEBSD */
+/* #endif HAVE_LIBKVM_GETPROCS && (HAVE_STRUCT_KINFO_PROC_FREEBSD || HAVE_STRUCT_KINFO_PROC_OPENBSD) */
#elif HAVE_PROCINFO_H
# include <procinfo.h>
# undef SAVE_FOB_64
#endif
+# include <sys/user.h>
# include <dirent.h>
+
+#ifndef MAXCOMLEN
+# define MAXCOMLEN 16
+#endif
+
/* #endif KERNEL_SOLARIS */
#else
# include <kstat.h>
#endif
-#ifndef ARG_MAX
-# define ARG_MAX 4096
+#ifndef CMDLINE_BUFFER_SIZE
+# if defined(ARG_MAX) && (ARG_MAX < 4096)
+# define CMDLINE_BUFFER_SIZE ARG_MAX
+# else
+# define CMDLINE_BUFFER_SIZE 4096
+# endif
#endif
typedef struct procstat_entry_s
derive_t io_syscr;
derive_t io_syscw;
+ derive_t cswitch_vol;
+ derive_t cswitch_invol;
+
struct procstat_entry_s *next;
} procstat_entry_t;
derive_t io_syscr;
derive_t io_syscw;
+ derive_t cswitch_vol;
+ derive_t cswitch_invol;
+
struct procstat *next;
struct procstat_entry_s *instances;
} procstat_t;
static procstat_t *list_head_g = NULL;
+static _Bool report_ctx_switch = 0;
+
#if HAVE_THREAD_INFO
static mach_port_t port_host_self;
static mach_port_t port_task_self;
static long pagesize_g;
/* #endif KERNEL_LINUX */
-#elif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_FREEBSD
+#elif HAVE_LIBKVM_GETPROCS && (HAVE_STRUCT_KINFO_PROC_FREEBSD || HAVE_STRUCT_KINFO_PROC_OPENBSD)
static int pagesize;
-/* #endif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_FREEBSD */
+/* #endif HAVE_LIBKVM_GETPROCS && (HAVE_STRUCT_KINFO_PROC_FREEBSD || HAVE_STRUCT_KINFO_PROC_OPENBSD) */
#elif HAVE_PROCINFO_H
static struct procentry64 procentry[MAXPROCENTRY];
procstat_t *ptr;
int status;
- new = (procstat_t *) malloc (sizeof (procstat_t));
+ new = calloc (1, sizeof (*new));
if (new == NULL)
{
- ERROR ("processes plugin: ps_list_register: malloc failed.");
+ ERROR ("processes plugin: ps_list_register: calloc failed.");
return;
}
- memset (new, 0, sizeof (procstat_t));
sstrncpy (new->name, name, sizeof (new->name));
#if HAVE_REGEX_H
if (regexp != NULL)
{
DEBUG ("ProcessMatch: adding \"%s\" as criteria to process %s.", regexp, name);
- new->re = (regex_t *) malloc (sizeof (regex_t));
+ new->re = malloc (sizeof (*new->re));
if (new->re == NULL)
{
ERROR ("processes plugin: ps_list_register: malloc failed.");
if (status != 0)
{
DEBUG ("ProcessMatch: compiling the regular expression \"%s\" failed.", regexp);
- sfree(new->re);
- sfree(new);
+ sfree (new->re);
+ sfree (new);
return;
}
}
"`ProcessMatch' with the same name. "
"All but the first setting will be "
"ignored.");
+#if HAVE_REGEX_H
sfree (new->re);
+#endif
sfree (new);
return;
}
return (0);
} /* int ps_list_match */
+static void ps_update_counter (_Bool init, derive_t *group_counter,
+ derive_t *curr_counter, unsigned long *curr_value,
+ derive_t new_counter, unsigned long new_value)
+{
+ if (init)
+ {
+ *curr_value = new_value;
+ *curr_counter += new_value;
+ *group_counter += new_value;
+ return;
+ }
+
+ if (new_counter < *curr_counter)
+ *curr_value = new_counter + (ULONG_MAX - *curr_counter);
+ else
+ *curr_value = new_counter - *curr_counter;
+
+ *curr_counter = new_counter;
+ *group_counter += *curr_value;
+}
+
/* 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;
- for (ps = list_head_g; ps != NULL; ps = ps->next)
+ for (procstat_t *ps = list_head_g; ps != NULL; ps = ps->next)
{
+ _Bool want_init;
+
if ((ps_list_match (name, cmdline, ps)) == 0)
continue;
{
procstat_entry_t *new;
- new = (procstat_entry_t *) malloc (sizeof (procstat_entry_t));
+ new = calloc (1, sizeof (*new));
if (new == NULL)
return;
- memset (new, 0, sizeof (procstat_entry_t));
new->id = entry->id;
if (pse == NULL)
pse->io_wchar = entry->io_wchar;
pse->io_syscr = entry->io_syscr;
pse->io_syscw = entry->io_syscw;
+ pse->cswitch_vol = entry->cswitch_vol;
+ pse->cswitch_invol = entry->cswitch_invol;
ps->num_proc += pse->num_proc;
ps->num_lwp += pse->num_lwp;
ps->io_syscr += ((pse->io_syscr == -1)?0:pse->io_syscr);
ps->io_syscw += ((pse->io_syscw == -1)?0:pse->io_syscw);
- if ((entry->vmem_minflt_counter == 0)
- && (entry->vmem_majflt_counter == 0))
- {
- pse->vmem_minflt_counter += entry->vmem_minflt;
- pse->vmem_minflt = entry->vmem_minflt;
-
- 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
- {
- 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;
- }
-
- 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;
-
- 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
- {
- 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;
- }
-
- ps->cpu_user_counter += pse->cpu_user;
- ps->cpu_system_counter += pse->cpu_system;
+ ps->cswitch_vol += ((pse->cswitch_vol == -1)?0:pse->cswitch_vol);
+ ps->cswitch_invol += ((pse->cswitch_invol == -1)?0:pse->cswitch_invol);
+
+ want_init = (entry->vmem_minflt_counter == 0)
+ && (entry->vmem_majflt_counter == 0);
+ ps_update_counter (want_init,
+ &ps->vmem_minflt_counter,
+ &pse->vmem_minflt_counter, &pse->vmem_minflt,
+ entry->vmem_minflt_counter, entry->vmem_minflt);
+ ps_update_counter (want_init,
+ &ps->vmem_majflt_counter,
+ &pse->vmem_majflt_counter, &pse->vmem_majflt,
+ entry->vmem_majflt_counter, entry->vmem_majflt);
+
+ want_init = (entry->cpu_user_counter == 0)
+ && (entry->cpu_system_counter == 0);
+ ps_update_counter (want_init,
+ &ps->cpu_user_counter,
+ &pse->cpu_user_counter, &pse->cpu_user,
+ entry->cpu_user_counter, entry->cpu_user);
+ ps_update_counter (want_init,
+ &ps->cpu_system_counter,
+ &pse->cpu_system_counter, &pse->cpu_system,
+ entry->cpu_system_counter, entry->cpu_system);
}
}
/* remove old entries from instances of processes in list_head_g */
static void ps_list_reset (void)
{
- procstat_t *ps;
procstat_entry_t *pse;
procstat_entry_t *pse_prev;
- for (ps = list_head_g; ps != NULL; ps = ps->next)
+ for (procstat_t *ps = list_head_g; ps != NULL; ps = ps->next)
{
ps->num_proc = 0;
ps->num_lwp = 0;
ps->io_wchar = -1;
ps->io_syscr = -1;
ps->io_syscw = -1;
+ ps->cswitch_vol = -1;
+ ps->cswitch_invol = -1;
pse_prev = NULL;
pse = ps->instances;
/* put all pre-defined 'Process' names from config to list_head_g tree */
static int ps_config (oconfig_item_t *ci)
{
- int i;
+#if KERNEL_LINUX
+ const size_t max_procname_len = 15;
+#elif KERNEL_SOLARIS || KERNEL_FREEBSD
+ const size_t max_procname_len = MAXCOMLEN -1;
+#endif
- for (i = 0; i < ci->children_num; ++i) {
+ for (int i = 0; i < ci->children_num; ++i) {
oconfig_item_t *c = ci->children + i;
if (strcasecmp (c->key, "Process") == 0)
c->children_num, c->values[0].value.string);
}
+#if KERNEL_LINUX || KERNEL_SOLARIS || KERNEL_FREEBSD
+ if (strlen (c->values[0].value.string) > max_procname_len) {
+ WARNING ("processes plugin: this platform has a %zu character limit "
+ "to process names. The `Process \"%s\"' option will "
+ "not work as expected.",
+ max_procname_len, c->values[0].value.string);
+ }
+#endif
+
ps_list_register (c->values[0].value.string, NULL);
}
else if (strcasecmp (c->key, "ProcessMatch") == 0)
ps_list_register (c->values[0].value.string,
c->values[1].value.string);
}
+ else if (strcasecmp (c->key, "CollectContextSwitch") == 0)
+ {
+ cf_util_get_boolean (c, &report_ctx_switch);
+ }
else
{
ERROR ("processes plugin: The `%s' configuration option is not "
pagesize_g, CONFIG_HZ);
/* #endif KERNEL_LINUX */
-#elif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_FREEBSD
+#elif HAVE_LIBKVM_GETPROCS && (HAVE_STRUCT_KINFO_PROC_FREEBSD || HAVE_STRUCT_KINFO_PROC_OPENBSD)
pagesize = getpagesize();
-/* #endif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_FREEBSD */
+/* #endif HAVE_LIBKVM_GETPROCS && (HAVE_STRUCT_KINFO_PROC_FREEBSD || HAVE_STRUCT_KINFO_PROC_OPENBSD) */
#elif HAVE_PROCINFO_H
pagesize = getpagesize();
plugin_dispatch_values (&vl);
}
+ if ( report_ctx_switch )
+ {
+ sstrncpy (vl.type, "contextswitch", sizeof (vl.type));
+ sstrncpy (vl.type_instance, "voluntary", sizeof (vl.type_instance));
+ vl.values[0].derive = ps->cswitch_vol;
+ vl.values_len = 1;
+ plugin_dispatch_values (&vl);
+
+ sstrncpy (vl.type, "contextswitch", sizeof (vl.type));
+ sstrncpy (vl.type_instance, "involuntary", sizeof (vl.type_instance));
+ vl.values[0].derive = ps->cswitch_invol;
+ vl.values_len = 1;
+ plugin_dispatch_values (&vl);
+ }
+
DEBUG ("name = %s; num_proc = %lu; num_lwp = %lu; "
"vmem_size = %lu; vmem_rss = %lu; vmem_data = %lu; "
"vmem_code = %lu; "
"vmem_minflt_counter = %"PRIi64"; vmem_majflt_counter = %"PRIi64"; "
"cpu_user_counter = %"PRIi64"; cpu_system_counter = %"PRIi64"; "
"io_rchar = %"PRIi64"; io_wchar = %"PRIi64"; "
- "io_syscr = %"PRIi64"; io_syscw = %"PRIi64";",
+ "io_syscr = %"PRIi64"; io_syscw = %"PRIi64"; "
+ "cswitch_vol = %"PRIi64"; cswitch_invol = %"PRIi64";",
ps->name, ps->num_proc, ps->num_lwp,
ps->vmem_size, ps->vmem_rss,
ps->vmem_data, ps->vmem_code,
ps->vmem_minflt_counter, ps->vmem_majflt_counter,
ps->cpu_user_counter, ps->cpu_system_counter,
- ps->io_rchar, ps->io_wchar, ps->io_syscr, ps->io_syscw);
+ ps->io_rchar, ps->io_wchar, ps->io_syscr, ps->io_syscw,
+ ps->cswitch_vol, ps->cswitch_invol);
} /* void ps_submit_proc_list */
#if KERNEL_LINUX || KERNEL_SOLARIS
/* ------- additional functions for KERNEL_LINUX/HAVE_THREAD_INFO ------- */
#if KERNEL_LINUX
-static int ps_read_tasks (int pid)
+static procstat_t *ps_read_tasks_status (long pid, procstat_t *ps)
{
char dirname[64];
DIR *dh;
+ char filename[64];
+ FILE *fh;
struct dirent *ent;
- int count = 0;
+ derive_t cswitch_vol = 0;
+ derive_t cswitch_invol = 0;
+ char buffer[1024];
+ char *fields[8];
+ int numfields;
- ssnprintf (dirname, sizeof (dirname), "/proc/%i/task", pid);
+ ssnprintf (dirname, sizeof (dirname), "/proc/%li/task", pid);
if ((dh = opendir (dirname)) == NULL)
{
DEBUG ("Failed to open directory `%s'", dirname);
- return (-1);
+ return (NULL);
}
while ((ent = readdir (dh)) != NULL)
{
+ char *tpid;
+
if (!isdigit ((int) ent->d_name[0]))
continue;
- else
- count++;
+
+ tpid = ent->d_name;
+
+ ssnprintf (filename, sizeof (filename), "/proc/%li/task/%s/status", pid, tpid);
+ if ((fh = fopen (filename, "r")) == NULL)
+ {
+ DEBUG ("Failed to open file `%s'", filename);
+ continue;
+ }
+
+ while (fgets (buffer, sizeof(buffer), fh) != NULL)
+ {
+ derive_t tmp;
+ char *endptr;
+
+ if (strncmp (buffer, "voluntary_ctxt_switches", 23) != 0
+ && strncmp (buffer, "nonvoluntary_ctxt_switches", 26) != 0)
+ continue;
+
+ numfields = strsplit (buffer, fields,
+ STATIC_ARRAY_SIZE (fields));
+
+ if (numfields < 2)
+ continue;
+
+ errno = 0;
+ endptr = NULL;
+ tmp = (derive_t) strtoll (fields[1], &endptr, /* base = */ 10);
+ if ((errno == 0) && (endptr != fields[1]))
+ {
+ if (strncmp (buffer, "voluntary_ctxt_switches", 23) == 0)
+ {
+ cswitch_vol += tmp;
+ }
+ else if (strncmp (buffer, "nonvoluntary_ctxt_switches", 26) == 0)
+ {
+ cswitch_invol += tmp;
+ }
+ }
+ } /* while (fgets) */
+
+ if (fclose (fh))
+ {
+ char errbuf[1024];
+ WARNING ("processes: fclose: %s",
+ sstrerror (errno, errbuf, sizeof (errbuf)));
+ }
}
closedir (dh);
- return ((count >= 1) ? count : 1);
-} /* int *ps_read_tasks */
+ ps->cswitch_vol = cswitch_vol;
+ ps->cswitch_invol = cswitch_invol;
+
+ return (ps);
+} /* int *ps_read_tasks_status */
-/* Read advanced virtual memory data from /proc/pid/status */
-static procstat_t *ps_read_vmem (int pid, procstat_t *ps)
+/* Read data from /proc/pid/status */
+static procstat_t *ps_read_status (long pid, procstat_t *ps)
{
FILE *fh;
char buffer[1024];
char filename[64];
- unsigned long long lib = 0;
- unsigned long long exe = 0;
- unsigned long long data = 0;
+ unsigned long lib = 0;
+ unsigned long exe = 0;
+ unsigned long data = 0;
+ unsigned long threads = 0;
char *fields[8];
int numfields;
- ssnprintf (filename, sizeof (filename), "/proc/%i/status", pid);
+ ssnprintf (filename, sizeof (filename), "/proc/%li/status", pid);
if ((fh = fopen (filename, "r")) == NULL)
return (NULL);
while (fgets (buffer, sizeof(buffer), fh) != NULL)
{
- long long tmp;
+ unsigned long tmp;
char *endptr;
- if (strncmp (buffer, "Vm", 2) != 0)
+ if (strncmp (buffer, "Vm", 2) != 0
+ && strncmp (buffer, "Threads", 7) != 0)
continue;
numfields = strsplit (buffer, fields,
errno = 0;
endptr = NULL;
- tmp = strtoll (fields[1], &endptr, /* base = */ 10);
+ tmp = strtoul (fields[1], &endptr, /* base = */ 10);
if ((errno == 0) && (endptr != fields[1]))
{
if (strncmp (buffer, "VmData", 6) == 0)
{
exe = tmp;
}
+ else if (strncmp(buffer, "Threads", 7) == 0)
+ {
+ threads = tmp;
+ }
}
} /* while (fgets) */
ps->vmem_data = data * 1024;
ps->vmem_code = (exe + lib) * 1024;
+ if (threads != 0)
+ ps->num_lwp = threads;
return (ps);
} /* procstat_t *ps_read_vmem */
-static procstat_t *ps_read_io (int pid, procstat_t *ps)
+static procstat_t *ps_read_io (long pid, procstat_t *ps)
{
FILE *fh;
char buffer[1024];
char *fields[8];
int numfields;
- ssnprintf (filename, sizeof (filename), "/proc/%i/io", pid);
+ ssnprintf (filename, sizeof (filename), "/proc/%li/io", pid);
if ((fh = fopen (filename, "r")) == NULL)
return (NULL);
return (ps);
} /* procstat_t *ps_read_io */
-int ps_read_process (int pid, procstat_t *ps, char *state)
+static int ps_read_process (long pid, procstat_t *ps, char *state)
{
char filename[64];
char buffer[1024];
char *fields[64];
char fields_len;
- int buffer_len;
+ size_t buffer_len;
- char *buffer_ptr;
+ char *buffer_ptr;
size_t name_start_pos;
size_t name_end_pos;
size_t name_len;
long long unsigned vmem_rss;
long long unsigned stack_size;
+ ssize_t status;
+
memset (ps, 0, sizeof (procstat_t));
- ssnprintf (filename, sizeof (filename), "/proc/%i/stat", pid);
+ ssnprintf (filename, sizeof (filename), "/proc/%li/stat", pid);
- buffer_len = read_file_contents (filename,
- buffer, sizeof(buffer) - 1);
- if (buffer_len <= 0)
+ status = read_file_contents (filename, buffer, sizeof(buffer) - 1);
+ if (status <= 0)
return (-1);
+ buffer_len = (size_t) status;
buffer[buffer_len] = 0;
/* The name of the process is enclosed in parens. Since the name can
* strchr(3) and strrchr(3) to avoid pointer arithmetic which would
* otherwise be required to determine name_len. */
name_start_pos = 0;
- while ((buffer[name_start_pos] != '(')
- && (name_start_pos < buffer_len))
+ while (name_start_pos < buffer_len && buffer[name_start_pos] != '(')
name_start_pos++;
name_end_pos = buffer_len;
- while ((buffer[name_end_pos] != ')')
- && (name_end_pos > 0))
+ while (name_end_pos > 0 && buffer[name_end_pos] != ')')
name_end_pos--;
/* Either '(' or ')' is not found or they are in the wrong order.
fields_len = strsplit (buffer_ptr, fields, STATIC_ARRAY_SIZE (fields));
if (fields_len < 22)
{
- DEBUG ("processes plugin: ps_read_process (pid = %i):"
+ DEBUG ("processes plugin: ps_read_process (pid = %li):"
" `%s' has only %i fields..",
- (int) pid, filename, fields_len);
+ pid, filename, fields_len);
return (-1);
}
}
else
{
- if ( (ps->num_lwp = ps_read_tasks (pid)) == -1 )
+ ps->num_lwp = strtoul (fields[17], /* endptr = */ NULL, /* base = */ 10);
+ if ((ps_read_status(pid, ps)) == NULL)
{
- /* returns -1 => kernel 2.4 */
- ps->num_lwp = 1;
+ /* No VMem data */
+ ps->vmem_data = -1;
+ ps->vmem_code = -1;
+ DEBUG("ps_read_process: did not get vmem data for pid %li", pid);
}
+ if (ps->num_lwp == 0)
+ ps->num_lwp = 1;
ps->num_proc = 1;
}
/* Leave the rest at zero if this is only a zombi */
if (ps->num_proc == 0)
{
- DEBUG ("processes plugin: This is only a zombie: pid = %i; "
+ DEBUG ("processes plugin: This is only a zombie: pid = %li; "
"name = %s;", pid, ps->name);
return (0);
}
cpu_system_counter = cpu_system_counter * 1000000 / CONFIG_HZ;
vmem_rss = vmem_rss * pagesize_g;
- if ( (ps_read_vmem(pid, ps)) == NULL)
- {
- /* No VMem data */
- ps->vmem_data = -1;
- ps->vmem_code = -1;
- DEBUG("ps_read_process: did not get vmem data for pid %i",pid);
- }
-
ps->cpu_user_counter = cpu_user_counter;
ps->cpu_system_counter = cpu_system_counter;
ps->vmem_size = (unsigned long) vmem_size;
ps->io_syscr = -1;
ps->io_syscw = -1;
- DEBUG("ps_read_process: not get io data for pid %i",pid);
+ DEBUG("ps_read_process: not get io data for pid %li", pid);
+ }
+
+ if ( report_ctx_switch )
+ {
+ if ( (ps_read_tasks_status(pid, ps)) == NULL)
+ {
+ ps->cswitch_vol = -1;
+ ps->cswitch_invol = -1;
+
+ DEBUG("ps_read_tasks_status: not get context "
+ "switch data for pid %li", pid);
+ }
}
/* success */
return (0);
} /* int ps_read_process (...) */
-static char *ps_get_cmdline (pid_t pid, char *name, char *buf, size_t buf_len)
+static char *ps_get_cmdline (long pid, char *name, char *buf, size_t buf_len)
{
char *buf_ptr;
size_t len;
if ((pid < 1) || (NULL == buf) || (buf_len < 2))
return NULL;
- ssnprintf (file, sizeof (file), "/proc/%u/cmdline",
- (unsigned int) pid);
+ ssnprintf (file, sizeof (file), "/proc/%li/cmdline", pid);
errno = 0;
fd = open (file, O_RDONLY);
buf_ptr += status;
len -= status;
- if (len <= 0)
+ if (len == 0)
break;
}
return buf;
} /* char *ps_get_cmdline (...) */
-static int read_fork_rate ()
+static int read_fork_rate (void)
{
FILE *proc_stat;
char buffer[1024];
#endif /*KERNEL_LINUX */
#if KERNEL_SOLARIS
-static const char *ps_get_cmdline (long pid, /* {{{ */
- char *buffer, size_t buffer_size)
+static char *ps_get_cmdline (long pid, char *name __attribute__((unused)), /* {{{ */
+ char *buffer, size_t buffer_size)
{
char path[PATH_MAX];
psinfo_t info;
- int status;
+ ssize_t status;
snprintf(path, sizeof (path), "/proc/%li/psinfo", pid);
status = read_file_contents (path, (void *) &info, sizeof (info));
- if (status != sizeof (info))
+ if ((status < 0) || (((size_t) status) != sizeof (info)))
{
ERROR ("processes plugin: Unexpected return value "
"while reading \"%s\": "
- "Returned %i but expected %zu.",
+ "Returned %zd but expected %zu.",
path, status, buffer_size);
return (NULL);
}
snprintf(f_usage, sizeof (f_usage), "/proc/%li/usage", pid);
- buffer = malloc(sizeof (pstatus_t));
- memset(buffer, 0, sizeof (pstatus_t));
+ buffer = calloc(1, sizeof (pstatus_t));
read_file_contents(filename, buffer, sizeof (pstatus_t));
myStatus = (pstatus_t *) buffer;
- buffer = malloc(sizeof (psinfo_t));
- memset(buffer, 0, sizeof(psinfo_t));
+ buffer = calloc(1, sizeof (psinfo_t));
read_file_contents(f_psinfo, buffer, sizeof (psinfo_t));
myInfo = (psinfo_t *) buffer;
- buffer = malloc(sizeof (prusage_t));
- memset(buffer, 0, sizeof(prusage_t));
+ buffer = calloc(1, sizeof (prusage_t));
read_file_contents(f_usage, buffer, sizeof (prusage_t));
myUsage = (prusage_t *) buffer;
ps->num_proc = 0;
ps->num_lwp = 0;
*state = (char) 'Z';
+
+ sfree(myStatus);
+ sfree(myInfo);
+ sfree(myUsage);
return (0);
} else {
ps->num_proc = 1;
ps->io_syscr = myUsage->pr_sysc;
ps->io_syscw = myUsage->pr_sysc;
+ /*
+ * TODO: context switch counters for Solaris
+ */
+ ps->cswitch_vol = -1;
+ ps->cswitch_invol = -1;
+
/*
* TODO: Find way of setting BLOCKED and PAGING status
* are retrieved from kstat (module cpu, name sys, class misc, stat nthreads).
* The result is the sum for all the threads created on each cpu
*/
-static int read_fork_rate()
+static int read_fork_rate (void)
{
extern kstat_ctl_t *kc;
- kstat_t *ksp_chain = NULL;
derive_t result = 0;
if (kc == NULL)
return (-1);
- for (ksp_chain = kc->kc_chain;
+ for (kstat_t *ksp_chain = kc->kc_chain;
ksp_chain != NULL;
ksp_chain = ksp_chain->ks_next)
{
#if HAVE_THREAD_INFO
kern_return_t status;
- int pset;
processor_set_t port_pset_priv;
- int task;
task_array_t task_list;
mach_msg_type_number_t task_list_len;
int task_pid;
char task_name[MAXCOMLEN + 1];
- int thread;
thread_act_array_t thread_list;
mach_msg_type_number_t thread_list_len;
thread_basic_info_data_t thread_data;
* Tasks are assigned to sets of processors, so that's where you go to
* get a list.
*/
- for (pset = 0; pset < pset_list_len; pset++)
+ for (int pset = 0; pset < pset_list_len; pset++)
{
if ((status = host_processor_set_priv (port_host_self,
pset_list[pset],
continue;
}
- for (task = 0; task < task_list_len; task++)
+ for (int task = 0; task < task_list_len; task++)
{
ps = NULL;
if (mach_get_task_name (task_list[task],
pse.cpu_user_counter = task_absolutetime_info.total_user;
pse.cpu_system_counter = task_absolutetime_info.total_system;
+
+ /* context switch counters not implemented */
+ pse.cswitch_vol = -1;
+ pse.cswitch_invol = -1;
}
status = task_threads (task_list[task], &thread_list,
continue; /* with next task_list */
}
- for (thread = 0; thread < thread_list_len; thread++)
+ for (int thread = 0; thread < thread_list_len; thread++)
{
thread_data_len = THREAD_BASIC_INFO_COUNT;
status = thread_info (thread_list[thread],
struct dirent *ent;
DIR *proc;
- int pid;
+ long pid;
- char cmdline[ARG_MAX];
+ char cmdline[CMDLINE_BUFFER_SIZE];
int status;
procstat_t ps;
procstat_entry_t pse;
char state;
- procstat_t *ps_ptr;
-
running = sleeping = zombies = stopped = paging = blocked = 0;
ps_list_reset ();
if (!isdigit (ent->d_name[0]))
continue;
- if ((pid = atoi (ent->d_name)) < 1)
+ if ((pid = atol (ent->d_name)) < 1)
continue;
status = ps_read_process (pid, &ps, &state);
continue;
}
+ memset (&pse, 0, sizeof (pse));
pse.id = pid;
pse.age = 0;
pse.io_syscr = ps.io_syscr;
pse.io_syscw = ps.io_syscw;
+ pse.cswitch_vol = ps.cswitch_vol;
+ pse.cswitch_invol = ps.cswitch_invol;
+
switch (state)
{
case 'R': running++; break;
ps_submit_state ("paging", paging);
ps_submit_state ("blocked", blocked);
- for (ps_ptr = list_head_g; ps_ptr != NULL; ps_ptr = ps_ptr->next)
+ for (procstat_t *ps_ptr = list_head_g; ps_ptr != NULL; ps_ptr = ps_ptr->next)
ps_submit_proc_list (ps_ptr);
read_fork_rate();
struct kinfo_proc *procs; /* array of processes */
struct kinfo_proc *proc_ptr = NULL;
int count; /* returns number of processes */
- int i;
- procstat_t *ps_ptr;
procstat_entry_t pse;
ps_list_reset ();
}
/* Iterate through the processes in kinfo_proc */
- for (i = 0; i < count; i++)
+ for (int i = 0; i < count; i++)
{
/* Create only one process list entry per _process_, i.e.
* filter out threads (duplicate PID entries). */
if ((proc_ptr == NULL) || (proc_ptr->ki_pid != procs[i].ki_pid))
{
- char cmdline[ARG_MAX] = "";
+ char cmdline[CMDLINE_BUFFER_SIZE] = "";
_Bool have_cmdline = 0;
proc_ptr = &(procs[i]);
pse.io_syscr = -1;
pse.io_syscw = -1;
+ /* context switch counters not implemented */
+ pse.cswitch_vol = -1;
+ pse.cswitch_invol = -1;
+
ps_list_add (procs[i].ki_comm, have_cmdline ? cmdline : NULL, &pse);
switch (procs[i].ki_stat)
ps_submit_state ("idle", idle);
ps_submit_state ("wait", wait);
- for (ps_ptr = list_head_g; ps_ptr != NULL; ps_ptr = ps_ptr->next)
+ for (procstat_t *ps_ptr = list_head_g; ps_ptr != NULL; ps_ptr = ps_ptr->next)
ps_submit_proc_list (ps_ptr);
/* #endif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_FREEBSD */
+#elif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_OPENBSD
+ int running = 0;
+ int sleeping = 0;
+ int zombies = 0;
+ int stopped = 0;
+ int onproc = 0;
+ int idle = 0;
+ int dead = 0;
+
+ kvm_t *kd;
+ char errbuf[1024];
+ struct kinfo_proc *procs; /* array of processes */
+ struct kinfo_proc *proc_ptr = NULL;
+ int count; /* returns number of processes */
+
+ procstat_entry_t pse;
+
+ ps_list_reset ();
+
+ /* Open the kvm interface, get a descriptor */
+ kd = kvm_open (NULL, NULL, NULL, 0, errbuf);
+ if (kd == NULL)
+ {
+ ERROR ("processes plugin: Cannot open kvm interface: %s",
+ errbuf);
+ return (0);
+ }
+
+ /* Get the list of processes. */
+ procs = kvm_getprocs(kd, KERN_PROC_ALL, 0, sizeof(struct kinfo_proc), &count);
+ if (procs == NULL)
+ {
+ ERROR ("processes plugin: Cannot get kvm processes list: %s",
+ kvm_geterr(kd));
+ kvm_close (kd);
+ return (0);
+ }
+
+ /* Iterate through the processes in kinfo_proc */
+ for (int i = 0; i < count; i++)
+ {
+ /* Create only one process list entry per _process_, i.e.
+ * filter out threads (duplicate PID entries). */
+ if ((proc_ptr == NULL) || (proc_ptr->p_pid != procs[i].p_pid))
+ {
+ char cmdline[CMDLINE_BUFFER_SIZE] = "";
+ _Bool have_cmdline = 0;
+
+ proc_ptr = &(procs[i]);
+ /* Don't probe zombie processes */
+ if (!P_ZOMBIE(proc_ptr))
+ {
+ char **argv;
+ int argc;
+ int status;
+
+ /* retrieve the arguments */
+ argv = kvm_getargv (kd, proc_ptr, /* nchr = */ 0);
+ argc = 0;
+ if ((argv != NULL) && (argv[0] != NULL))
+ {
+ while (argv[argc] != NULL)
+ argc++;
+
+ status = strjoin (cmdline, sizeof (cmdline), argv, argc, " ");
+ if (status < 0)
+ WARNING ("processes plugin: Command line did not fit into buffer.");
+ else
+ have_cmdline = 1;
+ }
+ } /* if (process has argument list) */
+
+ memset (&pse, 0, sizeof (pse));
+ pse.id = procs[i].p_pid;
+ pse.age = 0;
+
+ pse.num_proc = 1;
+ pse.num_lwp = 1; /* XXX: accumulate p_tid values for a single p_pid ? */
+
+ pse.vmem_rss = procs[i].p_vm_rssize * pagesize;
+ pse.vmem_data = procs[i].p_vm_dsize * pagesize;
+ pse.vmem_code = procs[i].p_vm_tsize * pagesize;
+ pse.stack_size = procs[i].p_vm_ssize * pagesize;
+ pse.vmem_size = pse.stack_size + pse.vmem_code + pse.vmem_data;
+ pse.vmem_minflt = 0;
+ pse.vmem_minflt_counter = procs[i].p_uru_minflt;
+ pse.vmem_majflt = 0;
+ pse.vmem_majflt_counter = procs[i].p_uru_majflt;
+
+ pse.cpu_user = 0;
+ pse.cpu_system = 0;
+ pse.cpu_user_counter = procs[i].p_uutime_usec +
+ (1000000lu * procs[i].p_uutime_sec);
+ pse.cpu_system_counter = procs[i].p_ustime_usec +
+ (1000000lu * procs[i].p_ustime_sec);
+
+ /* no I/O data */
+ pse.io_rchar = -1;
+ pse.io_wchar = -1;
+ pse.io_syscr = -1;
+ pse.io_syscw = -1;
+
+ /* context switch counters not implemented */
+ pse.cswitch_vol = -1;
+ pse.cswitch_invol = -1;
+
+ ps_list_add (procs[i].p_comm, have_cmdline ? cmdline : NULL, &pse);
+
+ switch (procs[i].p_stat)
+ {
+ case SSTOP: stopped++; break;
+ case SSLEEP: sleeping++; break;
+ case SRUN: running++; break;
+ case SIDL: idle++; break;
+ case SONPROC: onproc++; break;
+ case SDEAD: dead++; break;
+ case SZOMB: zombies++; break;
+ }
+ } /* if ((proc_ptr == NULL) || (proc_ptr->p_pid != procs[i].p_pid)) */
+ }
+
+ 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 ("onproc", onproc);
+ ps_submit_state ("idle", idle);
+ ps_submit_state ("dead", dead);
+
+ for (procstat_t *ps_ptr = list_head_g; ps_ptr != NULL; ps_ptr = ps_ptr->next)
+ ps_submit_proc_list (ps_ptr);
+/* #endif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_OPENBSD */
+
#elif HAVE_PROCINFO_H
/* AIX */
int running = 0;
pid_t pindex = 0;
int nprocs;
- procstat_t *ps;
procstat_entry_t pse;
ps_list_reset ();
/* fdsinfo = */ NULL, sizeof(struct fdsinfo64),
&pindex, MAXPROCENTRY)) > 0)
{
- int i;
-
- for (i = 0; i < nprocs; i++)
+ for (int i = 0; i < nprocs; i++)
{
tid64_t thindex;
int nthreads;
pse.io_syscr = -1;
pse.io_syscw = -1;
+ pse.cswitch_vol = -1;
+ pse.cswitch_invol = -1;
+
ps_list_add (cmdline, cargs, &pse);
} /* for (i = 0 .. nprocs) */
ps_submit_state ("paging", paging);
ps_submit_state ("blocked", blocked);
- for (ps = list_head_g; ps != NULL; ps = ps->next)
+ for (procstat_t *ps = list_head_g; ps != NULL; ps = ps->next)
ps_submit_proc_list (ps);
/* #endif HAVE_PROCINFO_H */
DIR *proc;
int status;
- procstat_t *ps_ptr;
char state;
char cmdline[PRARGSZ];
continue;
}
+ memset (&pse, 0, sizeof (pse));
pse.id = pid;
pse.age = 0;
pse.io_syscr = ps.io_syscr;
pse.io_syscw = ps.io_syscw;
+ pse.cswitch_vol = -1;
+ pse.cswitch_invol = -1;
+
switch (state)
{
case 'R': running++; break;
ps_list_add (ps.name,
- ps_get_cmdline (pid, cmdline, sizeof (cmdline)),
+ ps_get_cmdline (pid, ps.name, cmdline, sizeof (cmdline)),
&pse);
} /* while(readdir) */
closedir (proc);
ps_submit_state ("system", system);
ps_submit_state ("orphan", orphan);
- for (ps_ptr = list_head_g; ps_ptr != NULL; ps_ptr = ps_ptr->next)
+ for (procstat_t *ps_ptr = list_head_g; ps_ptr != NULL; ps_ptr = ps_ptr->next)
ps_submit_proc_list (ps_ptr);
read_fork_rate();