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47936f944e
The recent patch that implements table printing on a keypress introduced a regression - turbostat prints the table almost continuously if it is run from a daemon program. The problem is also easy to reproduce like this: echo | turbostat The reason is that we cannot assume that stdin is always a TTY. It can be many things. This patch adds fixes the problem by limiting the new keypress functionality to TTYs only. If stdin is not a TTY, we just sleep for the full interval time. While on it, clean-up 'do_sleep()' to return no value, as callers do not expect that anyway. Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com> Signed-off-by: Len Brown <len.brown@intel.com> |
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