From: David CARLIER <devnexen@gmail.com>
Date: Fri, 15 Jan 2021 15:41:47 +0000 (+0000)
Subject: Profiling: CPU timing implemented for MAC non-x86 (#757)
X-Git-Tag: 4.15-20210522-snapshot~38
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=9b8a8fe3a8f1544a880689acc84223b8883a312a;p=thirdparty%2Fsquid.git

Profiling: CPU timing implemented for MAC non-x86 (#757)
---

diff --git a/CONTRIBUTORS b/CONTRIBUTORS
index c10a221543..4a7edc802b 100644
--- a/CONTRIBUTORS
+++ b/CONTRIBUTORS
@@ -105,6 +105,7 @@ Thank you!
     Dan Searle <dan@censornet.com>
     Dan Searle <dan.searle@censornet.com>
     Dave Dykstra <dwd@fnal.gov>
+    David Carlier <devnexen@gmail.com>
     David Hill <david.hill@ubisoft.com>
     David Isaacs <david.isaacs@sbhs.nsw.edu.au>
     David J N Begley
diff --git a/acinclude/os-deps.m4 b/acinclude/os-deps.m4
index e88ae7b9b7..a0c4e8cc83 100644
--- a/acinclude/os-deps.m4
+++ b/acinclude/os-deps.m4
@@ -792,6 +792,7 @@ AC_DEFUN([SQUID_CHECK_FUNCTIONAL_CPU_PROFILER],[
   AC_CACHE_CHECK([for operational CPU clock access], 
                  squid_cv_cpu_profiler_works,
     AC_PREPROC_IFELSE([AC_LANG_SOURCE([[
+#include <ctime>
 #if defined(__GNUC__) && ( defined(__i386) || defined(__i386__) )
 // okay
 #elif defined(__GNUC__) && ( defined(__x86_64) || defined(__x86_64__) )
@@ -800,6 +801,8 @@ AC_DEFUN([SQUID_CHECK_FUNCTIONAL_CPU_PROFILER],[
 // okay
 #elif defined(_M_IX86) && defined(_MSC_VER) /* x86 platform on Microsoft C Compiler ONLY */
 // okay
+#elif defined(HAVE_CLOCK_GETTIME_NSEC_NP) && defined(CLOCK_MONOTONIC_RAW)
+// okay
 #else
 #error This CPU is unsupported. No profiling available here.
 #endif
diff --git a/configure.ac b/configure.ac
index 2396cd74ba..f24a62998f 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2638,6 +2638,7 @@ SQUID_YESNO([$enableval],
 ])
 # Default OFF. This is a debug feature. Only check and enable if forced ON.
 if test "x$enable_cpu_profiling" = "xyes"; then
+  AC_CHECK_FUNCS(clock_gettime_nsec_np)
   SQUID_CHECK_FUNCTIONAL_CPU_PROFILER
   if test "x$squid_cv_cpu_profiler_works" = "xno"; then
     AC_MSG_ERROR([CPU profiling will not be functional in this build.])
diff --git a/lib/profiler/get_tick.h b/lib/profiler/get_tick.h
index 8e8189f27d..f748d2feeb 100644
--- a/lib/profiler/get_tick.h
+++ b/lib/profiler/get_tick.h
@@ -10,6 +10,7 @@
 #define _PROFILER_GET_TICK_H_
 
 #if USE_XPROF_STATS
+#include <ctime>
 
 /*
  * Ensure that any changes here are synchronised with SQUID_CHECK_FUNCTIONAL_CPU_PROFILER
@@ -67,6 +68,14 @@ get_tick(void)
     return regs;
 }
 
+#elif defined(HAVE_CLOCK_GETTIME_NSEC_NP) && defined(CLOCK_MONOTONIC_RAW)
+
+static inline hrtime_t
+get_tick()
+{
+    return clock_gettime_nsec_np(CLOCK_MONOTONIC_RAW);
+}
+
 #else
 /* This CPU is unsupported. Short-circuit, no profiling here */
 // #error for configure tests to prevent library construction