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Now that we have evsel__taskstate() which no longer relies on the hardcoded task state string and has good backward compatibility, we have a good reason to use it. Note TASK_STATE_TO_CHAR_STR and task bitmasks are useless now so we remove them for good. And now we pass the state info back and forth in a symbolic char which explains itself well instead. Signed-off-by: Ze Gao <zegao@tencent.com> Cc: Steven Rostedt <rostedt@goodmis.org> Link: https://lore.kernel.org/r/20240123022425.1611483-1-zegao@tencent.com Signed-off-by: Namhyung Kim <namhyung@kernel.org>