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    Subject[PATCH v3 01/12] perf expr: unlimited escaped characters in a symbol
    From
    Current expression allows 2 escaped '-,=' characters. However, some
    metrics require more, for example Haswell DRAM_BW_Use.

    Fixes: 26226a97724d (perf expr: Move expr lexer to flex)
    Signed-off-by: Ian Rogers <irogers@google.com>
    ---
    tools/perf/util/expr.l | 2 +-
    1 file changed, 1 insertion(+), 1 deletion(-)

    diff --git a/tools/perf/util/expr.l b/tools/perf/util/expr.l
    index 2582c2464938..95bcf3629edf 100644
    --- a/tools/perf/util/expr.l
    +++ b/tools/perf/util/expr.l
    @@ -73,7 +73,7 @@ number [0-9]+
    sch [-,=]
    spec \\{sch}
    sym [0-9a-zA-Z_\.:@]+
    -symbol {spec}*{sym}*{spec}*{sym}*
    +symbol ({spec}|{sym})+

    %%
    struct expr_scanner_ctx *sctx = expr_get_extra(yyscanner);
    --
    2.26.2.303.gf8c07b1a785-goog
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