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From: Brian Inglis <Brian.Inglis@SystematicSW.ab.ca>
To: <cygwin-patches@cygwin.com>
Subject: [PATCH] format_proc_cpuinfo: add Linux 5.13 AMD/Hygon rapl
Date: Tue, 29 Jun 2021 11:09:24 -0600	[thread overview]
Message-ID: <20210629170924.30628-1-Brian.Inglis@SystematicSW.ab.ca> (raw)

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Linux 5.13 Opossums on Parade added features and changes:
add AMD 0x80000007 EDX:14 rapl runtime average power limit
---
 winsup/cygwin/fhandler_proc.cc | 8 ++++++++
 1 file changed, 8 insertions(+)


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[-- Attachment #2: 0001-format_proc_cpuinfo-add-Linux-5.13-AMD-Hygon-rapl.patch --]
[-- Type: text/x-patch; name="0001-format_proc_cpuinfo-add-Linux-5.13-AMD-Hygon-rapl.patch", Size: 686 bytes --]

diff --git a/winsup/cygwin/fhandler_proc.cc b/winsup/cygwin/fhandler_proc.cc
index 7cd0b3af02a2..2a64e7428efa 100644
--- a/winsup/cygwin/fhandler_proc.cc
+++ b/winsup/cygwin/fhandler_proc.cc
@@ -1165,6 +1165,14 @@ format_proc_cpuinfo (void *, char *&destbuf)
 	  ftcprint (features1,  0, "aperfmperf");   /* P state hw coord fb */
 	}
 
+      /* cpuid 0x80000007 edx Advanced power management */
+      if (maxe >= 0x80000007)
+	{
+	  cpuid (&unused, &unused, &unused, &features2, 0x80000007);
+
+	  ftcprint (features2, 14, "rapl"); /* runtime avg power limit */
+	}
+
       /* Penwell, Cloverview, ... TSC doesn't sleep on S3 */
       if (is_intel && family == 6)
 	switch (model)

             reply	other threads:[~2021-06-29 17:09 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-06-29 17:09 Brian Inglis [this message]
2021-07-06 14:06 ` Corinna Vinschen

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