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modify hiperf readme
Signed-off-by: yuyanqinghw <yuyanqing539@huawei.com>
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@ -219,7 +219,7 @@ Usage: hiperf stat [options] [command [command-args]]
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Monitor the performance counter of the process on CPU 0 for 3 seconds.
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```
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hiperf stat -a -d 3 -c 0
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hiperf stat -a -d 3 -c 0
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```
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### record
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@ -234,7 +234,7 @@ Usage: hiperf record [options] [command [command-args]]
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Sample all processes in the system for 3 seconds and display detailed log information.
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```
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hiperf record -d 3 -a --verbose
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hiperf record -d 3 -a --verbose
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```
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### dump
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@ -232,7 +232,7 @@ Usage: hiperf stat [options] [command [command-args]]
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下面展示了一个 stats 监听本进程 在 CPU 0 上 3 秒的性能计数器命令
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```
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hiperf stat -a -d 3 -c 0
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hiperf stat -a -d 3 -c 0
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```
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### record 命令
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