correct systime with perf count #8635
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Gary-Hobson
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xiaoxiang781216
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CI compilation needs to depend on apache/nuttx-apps#1593 |
Signed-off-by: yinshengkai <yinshengkai@xiaomi.com>
Signed-off-by: yinshengkai <yinshengkai@xiaomi.com>
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Summary
use perfcount as the clock source for tv_nsec to achieve higher precision time.
systime has insufficient time precision and will not display correctly when viewing finer-grained traces
Impact
Affects trace_dump.c: apache/nuttx-apps#1593
Testing