Re: [PATCH v6 31/37] tracing: Add 'last error' error facility for hist triggers

2017-11-22 Thread Namhyung Kim
On Fri, Nov 17, 2017 at 02:33:10PM -0600, Tom Zanussi wrote: > With the addition of variables and actions, it's become necessary to > provide more detailed error information to users about syntax errors. > > Add a 'last error' facility accessible via the erroring event's 'hist' > file. Reading th

[PATCH v6 31/37] tracing: Add 'last error' error facility for hist triggers

2017-11-17 Thread Tom Zanussi
With the addition of variables and actions, it's become necessary to provide more detailed error information to users about syntax errors. Add a 'last error' facility accessible via the erroring event's 'hist' file. Reading the hist file after an error will display more detailed information about