tree e8616a46e2095c7c5c89795a3104307c7e10e763
parent 54ba566cdda23803c888afe5b664005be30d06e0
author Luke Chang <lukechang@google.com> 1645766682 +0800
committer Luke Chang <lukechang@google.com> 1646127983 +0800

trace_processor: support kfree_skb event

kfree_skb ftrace events indicates that the packet was discarded due to
some error. This patch shows the kfree skb count on the global counter
tracker.

Bug: 221349557

Test: ui/run-dev-server & manaul check the UI behavior

Test: tools/diff_test_trace_processor.py <trace_processor_shell> \
      --query-metric-filter='kfree_skb'
Change-Id: I0f9135c24553bfb024b9c87e70f626a108199200