kernel/Documentation/trace/histogram.rst, branch linux-5.1.y

tracing: Add alternative synthetic event trace action syntax

2019-02-20T18:51:07Z

Add a 'trace(synthetic_event_name, params)' alternative to synthetic_event_name(params). Currently, the syntax used for generating synthetic events is to invoke synthetic_event_name(params) i.e. use the synthetic event name as a function call. Users requested a new form that more explicitly shows that the synthetic event is in effect being traced. In this version, a new 'trace()' keyword is used, and the synthetic event name is passed in as the first argument. In addition, for the sake of consistency with other actions, change the documention to emphasize the trace() form over the function-call form, which remains documented as equivalent. Link: http://lkml.kernel.org/r/d082773e50232a001480cf837679a1e01c1a2eb7.1550100284.git.tom.zanussi@linux.intel.com Signed-off-by: Tom Zanussi Signed-off-by: Steven Rostedt (VMware)

tracing: Add hist trigger onchange() handler Documentation

2019-02-20T18:51:07Z

Add Documentation for the hist:onchange($var) handler. Link: http://lkml.kernel.org/r/ab54b7383b265609fda52648a8fbfbd2631a640f.1550100284.git.tom.zanussi@linux.intel.com Signed-off-by: Tom Zanussi Signed-off-by: Steven Rostedt (VMware)

tracing: Add hist trigger snapshot() action Documentation

2019-02-20T18:51:07Z

Add Documentation for the hist:handlerXXX($var).snapshot() action. Link: http://lkml.kernel.org/r/445861d7822cd4b6aeaea1cecfcdbda466502148.1550100284.git.tom.zanussi@linux.intel.com Signed-off-by: Tom Zanussi Signed-off-by: Steven Rostedt (VMware)

tracing: Make hist trigger Documentation better reflect actions/handlers

2019-02-20T18:51:06Z

The action/handler code refactoring didn't change the action/handler syntax, but did generalize it - the Documentation should reflect that. Link: http://lkml.kernel.org/r/c2fe4144678829c70cad67aaa847dca27d57cb83.1550100284.git.tom.zanussi@linux.intel.com Signed-off-by: Tom Zanussi Signed-off-by: Steven Rostedt (VMware)

docs: Fix typos in histogram.rst

2018-10-18T18:33:08Z

This patch fixes some spelling typos. Signed-off-by: Masanari Iida Acked-by: Randy Dunlap Acked-by: Steven Rostedt (VMware) Signed-off-by: Jonathan Corbet

docs: histogram.txt: convert it to ReST file format

2018-07-02T17:26:02Z

Despite being mentioned at Documentation/trace/ftrace.rst as a rst file, this file was still a text one, with several issues. Convert it to ReST and add it to the trace index: - Mark the document title as such; - Identify and indent the literal blocks; - Use the proper markups for table. Signed-off-by: Mauro Carvalho Chehab Acked-by: Steven Rostedt (VMware) Signed-off-by: Jonathan Corbet