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由 Junhao He 提交于
driver inclusion category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I79882 CVE: NA ---------------------------------------------------------------------- When setting up SMT, not every process has an ETM, so the path ".../cs_etm/cpux/trcidr/trcidr0" does not exist, and the function perf_pmu__scan_file() will return an error. Log a error when read fails. Signed-off-by: NJunhao He <hejunhao3@huawei.com>
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