X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=src%2Flpar.c;h=5b0bd13d0cd1ea5881d2da1477311189664dc3e2;hb=43954e07f30d05b2da8319749400c9bf4d01c23c;hp=ec39d5c0e8cac9fdc19f2f326a070ae91375dec3;hpb=ddeeba4c8179448e3045403823f327254c781257;p=collectd.git

diff --git a/src/lpar.c b/src/lpar.c
index ec39d5c0..5b0bd13d 100644
--- a/src/lpar.c
+++ b/src/lpar.c
@@ -20,6 +20,7 @@
  **/
 
 #include "collectd.h"
+
 #include "common.h"
 #include "plugin.h"
 
@@ -34,7 +35,7 @@
                    (double)(_system_configuration.Xfrac))
 #endif
 
-#define NS_TO_TICKS(ns) ((ns) / XINTFRAC)
+#define CLOCKTICKS_TO_TICKS(cticks) ((cticks) / XINTFRAC)
 
 static const char *config_keys[] =
 {
@@ -45,7 +46,9 @@ static int config_keys_num = STATIC_ARRAY_SIZE (config_keys);
 
 static _Bool pool_stats = 0;
 static _Bool report_by_serial = 0;
+#if PERFSTAT_SUPPORTS_DONATION
 static _Bool donate_flag = 0;
+#endif
 static char serial[SYS_NMLN];
 
 static perfstat_partition_total_t lparstats_old;
@@ -91,11 +94,13 @@ static int lpar_init (void)
 		return (-1);
 	}
 
+#if PERFSTAT_SUPPORTS_DONATION
 	if (!lparstats_old.type.b.shared_enabled
 		       	&& lparstats_old.type.b.donate_enabled)
 	{
 		donate_flag = 1;
 	}
+#endif
 
 	if (pool_stats && !lparstats_old.type.b.pool_util_authority)
 	{
@@ -202,6 +207,7 @@ static int lpar_read (void)
 	lpar_submit ("wait", (double) wait_ticks / (double) ticks);
 	lpar_submit ("idle", (double) idle_ticks / (double) ticks);
 
+#if PERFSTAT_SUPPORTS_DONATION
 	if (donate_flag)
 	{
 		/* donated => ticks given to another partition
@@ -224,27 +230,31 @@ static int lpar_read (void)
 		/* Donated ticks will be accounted for as stolen ticks in other LPARs */
 		consumed_ticks += idle_stolen_ticks + busy_stolen_ticks;
 	}
+#endif
 
 	lpar_submit ("consumed", (double) consumed_ticks / (double) ticks);
 
 	if (pool_stats)
 	{
 		char typinst[DATA_MAX_NAME_LEN];
-		u_longlong_t pool_busy_ns;
-	       	u_longlong_t pool_max_ns;
-		u_longlong_t pool_idle_ns = 0;
-
-		pool_busy_ns = lparstats.pool_busy_time - lparstats_old.pool_busy_time;
-		pool_max_ns  = lparstats.pool_max_time  - lparstats_old.pool_max_time;
-		if (pool_max_ns > pool_busy_ns)
-			pool_idle_ns = pool_max_ns - pool_busy_ns;
+		u_longlong_t pool_idle_cticks;
+		double pool_idle_cpus;
+		double pool_busy_cpus;
+
+		/* We're calculating "busy" from "idle" and the total number of
+		 * CPUs, because the "busy" member didn't exist in early versions
+		 * of libperfstat. It was added somewhere between AIX 5.3 ML5 and ML9. */
+		pool_idle_cticks = lparstats.pool_idle_time - lparstats_old.pool_idle_time;
+		pool_idle_cpus = CLOCKTICKS_TO_TICKS ((double) pool_idle_cticks) / (double) ticks;
+		pool_busy_cpus = ((double) lparstats.phys_cpus_pool) - pool_idle_cpus;
+		if (pool_busy_cpus < 0.0)
+			pool_busy_cpus = 0.0;
 
-		/* Pool stats are in CPU x ns */
 		ssnprintf (typinst, sizeof (typinst), "pool-%X-busy", lparstats.pool_id);
-		lpar_submit (typinst, NS_TO_TICKS ((double) pool_busy_ns) / (double) ticks);
+		lpar_submit (typinst, pool_busy_cpus);
 
 		ssnprintf (typinst, sizeof (typinst), "pool-%X-idle", lparstats.pool_id);
-		lpar_submit (typinst, NS_TO_TICKS ((double) pool_idle_ns) / (double) ticks);
+		lpar_submit (typinst, pool_idle_cpus);
 	}
 
 	memcpy (&lparstats_old, &lparstats, sizeof (lparstats_old));