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| /openbmc/linux/tools/power/x86/turbostat/ |
| H A D | turbostat.c | diff c026c23629b825100fd4b8223227d9a395f9a56b Wed Aug 14 12:12:55 CDT 2019 Artem Bityutskiy <artem.bityutskiy@linux.intel.com> tools/power turbostat: read from pipes too
Commit '47936f944e78 tools/power turbostat: fix printing on input' make
a valid fix, but it completely disabled piped stdin support, which is
a valuable use-case. Indeed, if stdin is a pipe, turbostat won't read
anything from it, so it becomes impossible to get turbostat output at
user-defined moments, instead of the regular intervals.
There is no reason why this should works for terminals, but not for
pipes. This patch improves the situation. Instead of ignoring pipes, we
read data from them but gracefully handle the EOF case.
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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