Brocade Multi-Service IronWare Administration Guide (Supporting R05.6.00) User Manual

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Multi-Service IronWare Administration Guide

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Histogram information

To display the buffer allocation stack for the top three tasks (in terms of buffer ownership), enter
the following command:

Syntax: show bm histogram [ priority threshold-value | trace ]

The priority threshold-value variable displays histogram information for the specified buffer priority
level only. The valid range is 0-5 (0-Critical, 1-Hi Tx, 2-Hi IPC Rx, 3-Hi Data Rx, 4-Low IPC Rx, 5-Low
Data Rx).

The trace parameter displays the buffer allocation stack of the top three tasks (in terms of buffer
ownership).

Brocade(config)# show bm histogram trace 3

HISTOGRAM BUFFER SEQUENCE INFO

------------------------------

DURATION : 60 s

SEQ IDX : 1

TIME : 2013.02.07-10:39:34.334

THRESHHOLD : Below IPC Critical limit (128)

POOL-ID SIZE(KB) TOTAL FREE IN-USE APP-OWN

------------------------------------------------------

3 2 6144 128 6016 58

------------------------------------------------------

Task Name App-Owns(buffers)

--------------------------------------------

mac_mgr 3

ip_tx 6

rtm 5

mcast 12

console 1

rtm6 4

mcast6 6

mpls 1

nht 2

telnet_34 18

--------------------------------------------

[ Taskname : telnet_34 , AppId : 98 ]

[ Taskname : mcast , AppId : 17 ]

[

00055a38: dev_bm_get_buf_internal

000557c0: dev_bm_get_ipc_buf

00005024: xsyscall

2037791c: ipc_get_buffer

2038fe18: allocate_a_dy_sync_packet

2039120c: init_dy_sync_mgmt

20d08c18: l2mcast_metro_vpls_init_mac_entry_sync_mgmt]

[