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From: Corinna Vinschen <corinna@sourceware.org>
To: cygwin-cvs@sourceware.org
Subject: [newlib-cygwin] format_proc_cpuinfo: add Linux 5.13 AMD/Hygon rapl
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https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=7323efd73c2faf192160149dd13a96762a1975b0

commit 7323efd73c2faf192160149dd13a96762a1975b0
Author: Brian Inglis <Brian.Inglis@SystematicSW.ab.ca>
Date:   Tue Jun 29 11:09:24 2021 -0600

    format_proc_cpuinfo: add Linux 5.13 AMD/Hygon rapl
    
    Linux 5.13 Opossums on Parade added features and changes:
    add AMD 0x80000007 EDX:14 rapl runtime average power limit

Diff:
---
 winsup/cygwin/fhandler_proc.cc | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/winsup/cygwin/fhandler_proc.cc b/winsup/cygwin/fhandler_proc.cc
index eb4efb07d..66d19ab82 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)