pg: fix the buffer leak when pa steams are deleted
Type: fix
vpp# sh buffers
Pool Name Index NUMA Size Data Size Total Avail Cached Used
default-numa-0 0 0 2304 2048 128270 125968 1108 1194
default-numa-1 1 1 2304 2048 128270 128270 0 0
vpp# sh pa
Name Enabled Count Parameters
pg0-test-0 No 60900431 limit -1, rate 1.00e6 pps, size 64-64, buffer-size 2048, worker 0,
pg1-test-0 No 60900385 limit -1, rate 1.00e6 pps, size 64-64, buffer-size 2048, worker 0,
pg0-test-1 No 60898008 limit -1, rate 1.00e6 pps, size 64-64, buffer-size 2048, worker 1,
pg1-test-1 No 60897934 limit -1, rate 1.00e6 pps, size 64-64, buffer-size 2048, worker 1,
pg0-test-2 No 60900278 limit -1, rate 1.00e6 pps, size 64-64, buffer-size 2048, worker 2,
pg1-test-2 No 60900184 limit -1, rate 1.00e6 pps, size 64-64, buffer-size 2048, worker 2,
pg0-test-3 No 60900431 limit -1, rate 1.00e6 pps, size 64-64, buffer-size 2048, worker 3,
pg1-test-3 No 60900387 limit -1, rate 1.00e6 pps, size 64-64, buffer-size 2048, worker 3
vpp# pa delete pg0-test-0
vpp# pa delete pg0-test-1
vpp# pa delete pg0-test-2
vpp# pa delete pg0-test-3
vpp# pa delete pg1-test-0
vpp# pa delete pg1-test-1
vpp# pa delete pg1-test-2
vpp# pa delete pg1-test-3
vpp# sh buffer trace verbose
Pool Name Index NUMA Size Data Size Total Avail Cached Used
default-numa-0 0 0 2304 2048 128270 126650 1620 0
default-numa-1 1 1 2304 2048 128270 128270 0 0
Node Allocated Freed In Out Buffered
unix-cli-process-0 0 1194 0 0 -1194
Signed-off-by: Mohsin Kazmi <sykazmi@cisco.com>
Change-Id: I03051a8f529df7801cf08f8374a994dbc00fc972
b9a68b5b2e