Re: [PATCH v3 00/12] perf metric fixes and test

From: Jiri Olsa
Date: Fri May 01 2020 - 06:35:41 EST


On Thu, Apr 30, 2020 at 12:51:32AM -0700, Ian Rogers wrote:
> Add a test that all perf metrics (for your architecture) are parsable
> with the simple expression parser. Attempt to parse all events in
> metrics but only fail if the metric is for the current CPU. Fix bugs
> in the expr parser, x86 and powerpc metrics. Improve debug messages
> around add PMU config term failures.
>
> v3 adds parse event testing of ids and improves debug messages for add
> PMU. These messages are paticular visible with 'perf test 10
> -vvv'. It moves the testing logic from tests/expr.c to
> tests/pmu-events.c as suggested by John Garry
> <john.garry@xxxxxxxxxx>.
> v2 adds Fixes tags to commit messages for when broken metrics were
> first added. Adds a debug warning for division by zero in expr, and
> adds a workaround for id values in the expr test necessary for
> powerpc. It also fixes broken power8 and power9 metrics.
>
> Ian Rogers (12):
> perf expr: unlimited escaped characters in a symbol
> perf metrics: fix parse errors in cascade lake metrics
> perf metrics: fix parse errors in skylake metrics
> perf expr: allow ',' to be an other token
> perf expr: increase max other
> perf expr: parse numbers as doubles
> perf expr: debug lex if debugging yacc
> perf metrics: fix parse errors in power8 metrics
> perf metrics: fix parse errors in power9 metrics
> perf expr: print a debug message for division by zero
> perf parse-events: expand add PMU error/verbose messages
> perf test: improve pmu event metric testing

this does not apply on top of changes from Kajol Jain
which are now in Arnaldo's perf/core.. could you please
rebase?

thanks,
jirka