From 03d8eb4eaf05e5f9929a765e04600dbcace8015f Mon Sep 17 00:00:00 2001
From: PA4WDH
Date: Thu, 12 Sep 2024 13:34:54 +0200
Subject: Add cpufreq_get_long_int as generic function to get cpufreq data

---
 cpufreq.c         |  8 ++++++++
 cpufreq.h         |  1 +
 cputemp2maxfreq.c | 15 +++++----------
 3 files changed, 14 insertions(+), 10 deletions(-)

diff --git a/cpufreq.c b/cpufreq.c
index 842ef2c..ffe0269 100644
--- a/cpufreq.c
+++ b/cpufreq.c
@@ -69,3 +69,11 @@ int cpufreq_set_long_int(char *parameter,long int value,long int checkdelay)
  snprintf(buf,255,"%ld",value);
  return cpufreq_set_str(parameter,buf,checkdelay);
 }
+
+long int cpufreq_get_long_int(char *parameter)
+{
+ char sysfs_file[128];
+ sprintf(sysfs_file,"/sys/devices/system/cpu/%s/cpufreq/%s",cpudata.cpulist[0],parameter);
+ return sysfs_read_long_int(sysfs_file);
+}
+
diff --git a/cpufreq.h b/cpufreq.h
index 9e4feca..8e8d74c 100644
--- a/cpufreq.h
+++ b/cpufreq.h
@@ -21,5 +21,6 @@
 
 int cpufreq_set_str(char *parameter,char *value,long int checkdelay);
 int cpufreq_set_long_int(char *parameter,long int value,long int checkdelay);
+long int cpufreq_get_long_int(char *parameter);
 
 #endif
diff --git a/cputemp2maxfreq.c b/cputemp2maxfreq.c
index 434fb70..d146158 100644
--- a/cputemp2maxfreq.c
+++ b/cputemp2maxfreq.c
@@ -92,7 +92,6 @@ int main(int argc,char **argv)
  struct s_sensor sensor;
  char *transition_latency_remark;
  char sensor_string[20];
- char sysfs_file[128];
 
  argparse(argc,argv);
  config.logger("%s version %s, buildtime %s %s",config.name,version(),__DATE__,__TIME__);
@@ -205,17 +204,13 @@ int main(int argc,char **argv)
  }
 
 // Get and validate CPU data
- sprintf(sysfs_file,"/sys/devices/system/cpu/%s/cpufreq/cpuinfo_min_freq",cpudata.cpulist[0]);
- cpudata.min_freq=sysfs_read_long_int(sysfs_file);
- sprintf(sysfs_file,"/sys/devices/system/cpu/%s/cpufreq/cpuinfo_max_freq",cpudata.cpulist[0]);
- cpudata.max_freq=sysfs_read_long_int(sysfs_file);
- sprintf(sysfs_file,"/sys/devices/system/cpu/%s/cpufreq/scaling_max_freq",cpudata.cpulist[0]);
- cpudata.scale_max=sysfs_read_long_int(sysfs_file);
+ cpudata.min_freq=cpufreq_get_long_int("cpuinfo_min_freq");
+ cpudata.max_freq=cpufreq_get_long_int("cpuinfo_max_freq");
+ cpudata.scale_max=cpufreq_get_long_int("scaling_max_freq");
  if (config.transition_latency<0)
  {
   transition_latency_remark=transition_latency_remarks[0];
-  sprintf(sysfs_file,"/sys/devices/system/cpu/%s/cpufreq/cpuinfo_transition_latency",cpudata.cpulist[0]);
-  cpudata.transition_latency=sysfs_read_long_int(sysfs_file);
+  cpudata.transition_latency=cpufreq_get_long_int("cpuinfo_transition_latency");
   if (cpudata.transition_latency<1000)  transition_latency_remark=transition_latency_remarks[2];
  } else {
   transition_latency_remark=transition_latency_remarks[1];
@@ -275,7 +270,7 @@ int main(int argc,char **argv)
  while(1)
  {
 // Get new measurements
-  cpudata.cur_freq=sysfs_read_long_int("/sys/devices/system/cpu/cpufreq/policy0/scaling_cur_freq");
+  cpudata.cur_freq=cpufreq_get_long_int("scaling_cur_freq");
   if ((cpudata.cur_freq<VALID_FREQ_MIN) || (cpudata.cur_freq>VALID_FREQ_MAX))
   {
    config.logger("Invalid current frequency reported by CPU, exiting");
-- 
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