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A mirror of the official Linux kernel repository just in case
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When turbostat is run in one-shot command mode, the parent takes the 'before' counter snapshot, fork/exec/wait for the child to exit, takes the 'after' counter snapshot, and prints the results. however, if the child fails to exec the command, it immediately returns, without indicating that anythign was wrong. Add an error message showing that exec failed: sudo turbostat sleeeep 4 ... turbostat: exec sleeeep: No such file or directory ... Note that the parent will still print out the statistics, because it can't tell the difference between the failed exec and a command that is purposefully returning the same status. Unfortunately, this may obscure the error message. However, if the --out parameter is used, the error message is evident on stderr. Reported-by: Wendy Wang <wendy.wang@intel.com> Signed-off-by: Len Brown <len.brown@intel.com> |
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Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.