docs: trace: fix some Sphinx warnings (3df5ffd2) · Commits · 戴 / test

Documentation/trace/ftrace.rst

+1 −0

Original line number	Original line	Diff line number	Diff line
	@@ -1404,6 +1404,7 @@ trace has provided some very helpful debugging information.

	If we prefer function graph output instead of function, we can set		If we prefer function graph output instead of function, we can set
	display-graph option::		display-graph option::

	with echo 1 > options/display-graph		with echo 1 > options/display-graph

	# tracer: irqsoff		# tracer: irqsoff

Documentation/trace/histogram.rst

+48 −46

Original line number	Original line	Diff line number	Diff line
	@@ -2133,7 +2133,7 @@ The following commonly-used handler.action pairs are available:
	the end the event that triggered the snapshot (in this case you		the end the event that triggered the snapshot (in this case you
	can verify the timestamps between the sched_waking and		can verify the timestamps between the sched_waking and
	sched_switch events, which should match the time displayed in the		sched_switch events, which should match the time displayed in the
	global maximum):		global maximum)::

	# cat /sys/kernel/debug/tracing/snapshot		# cat /sys/kernel/debug/tracing/snapshot

	@@ -2213,9 +2213,10 @@ The following commonly-used handler.action pairs are available:
	following the rest of the fields.		following the rest of the fields.

	If a snaphot was taken, there is also a message indicating that,		If a snaphot was taken, there is also a message indicating that,
	along with the value and event that triggered the snapshot:		along with the value and event that triggered the snapshot::

	# cat /sys/kernel/debug/tracing/events/tcp/tcp_probe/hist		# cat /sys/kernel/debug/tracing/events/tcp/tcp_probe/hist

	{ dport: 1521 } hitcount: 8		{ dport: 1521 } hitcount: 8
	changed: 10 snd_wnd: 35456 srtt: 154262 rcv_wnd: 42112		changed: 10 snd_wnd: 35456 srtt: 154262 rcv_wnd: 42112

	@@ -2228,7 +2229,8 @@ The following commonly-used handler.action pairs are available:
	{ dport: 443 } hitcount: 211		{ dport: 443 } hitcount: 211
	changed: 10 snd_wnd: 26960 srtt: 17379 rcv_wnd: 28800		changed: 10 snd_wnd: 26960 srtt: 17379 rcv_wnd: 28800

	Snapshot taken (see tracing/snapshot). Details:		Snapshot taken (see tracing/snapshot). Details::

	triggering value { onchange($cwnd) }: 10		triggering value { onchange($cwnd) }: 10
	triggered by event with key: { dport: 80 }		triggered by event with key: { dport: 80 }

	@@ -2245,7 +2247,7 @@ The following commonly-used handler.action pairs are available:
	the global snapshot).		the global snapshot).

	And finally, looking at the snapshot data should show at or near		And finally, looking at the snapshot data should show at or near
	the end the event that triggered the snapshot:		the end the event that triggered the snapshot::

	# cat /sys/kernel/debug/tracing/snapshot		# cat /sys/kernel/debug/tracing/snapshot

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