Patch Name: PHKL_24174

Patch Description: s700 10.20 vmstat(1) cumulative patch, load averages

Creation Date: 01/05/21

Post Date:  01/06/18

Hardware Platforms - OS Releases:
	s700: 10.20

Products: N/A

Filesets:
	OS-Core.CORE-KRN

Automatic Reboot?: Yes

Status: General Release

Critical: No

Path Name: /hp-ux_patches/s700/10.X/PHKL_24174

Symptoms:
	PHKL_24174:
	(SR: 8606175138   CR: JAGad44382)
	When using performance tools such as sar, glance, and
	top, stopped threads can be included in load averages.
	This results in CPU usage appearing higher than it actually
	is when using such tools.

	PHKL_16300:
	vmstat -z would appear to work, but then the counts would
	reappear in a few seconds

	PHKL_8444:
	A vmstat -n shows a blocked process count higher than it is

Defect Description:
	PHKL_24174:
	(SR: 8606175138   CR: JAGad44382)
	Stopped threads were incorrectly included in performance
	statistics due to the assumption that only sleeping threads
	can be non-signalable.  Since it is possible for stopped
	threads to also be non-signalable, a statement that was
	intended to add sleeping threads to the performance
	statistics also included stopped threads.

	Resolution:
	Checks were added to prevent any stopped threads from being
	counted when calculating load averages.

	PHKL_16300:
	counts were being kept in two places, and would be read
	from the "other" location every 5 seconds

	PHKL_8444:
	A "!" was dropped in the if statement conditioning the ++

SR:
	1653271932 5003326892 8606175138

Patch Files:
	/usr/conf/lib/libhp-ux.a(vm_stats.o)

what(1) Output:
	/usr/conf/lib/libhp-ux.a(vm_stats.o):
		vm_stats.c   $Date: 2001/05/21 15:19:14 $ $Revision:
			 1.5.98.10 $ PATCH_10.20 (PHKL_24174)

cksum(1) Output:
	3420499063 7752 /usr/conf/lib/libhp-ux.a(vm_stats.o)

Patch Conflicts: None

Patch Dependencies: None

Hardware Dependencies: None

Other Dependencies: None

Supersedes:
	PHKL_8444 PHKL_16300

Equivalent Patches:
	PHKL_24175:
	s800: 10.20

	PHKL_23901:
	s700: 11.00
	s800: 11.00

Patch Package Size: 70 KBytes

Installation Instructions:
	Please review all instructions and the Hewlett-Packard
	SupportLine User Guide or your Hewlett-Packard support terms
	and conditions for precautions, scope of license,
	restrictions, and, limitation of liability and warranties,
	before installing this patch.
	------------------------------------------------------------
	1. Back up your system before installing a patch.

	2. Login as root.

	3. Copy the patch to the /tmp directory.

	4. Move to the /tmp directory and unshar the patch:

		cd /tmp
		sh PHKL_24174

	5a. For a standalone system, run swinstall to install the
	    patch:

		swinstall -x autoreboot=true -x match_target=true \
			-s /tmp/PHKL_24174.depot

	By default swinstall will archive the original software in
	/var/adm/sw/patch/PHKL_24174.  If you do not wish to retain a
	copy of the original software, you can create an empty file
	named /var/adm/sw/patch/PATCH_NOSAVE.

	WARNING: If this file exists when a patch is installed, the
	         patch cannot be deinstalled.  Please be careful
		 when using this feature.

	It is recommended that you move the PHKL_24174.text file to
	/var/adm/sw/patch for future reference.

	To put this patch on a magnetic tape and install from the
	tape drive, use the command:

		dd if=/tmp/PHKL_24174.depot of=/dev/rmt/0m bs=2k

Special Installation Instructions: None