Performance Monitoring on Intel Machines - Revision history

Arjun Suresh: Arjun Suresh moved page Performance Monitoring to Performance Monitoring on Intel Machines

2014-02-13T11:20:58Z

2014-02-13T11:17:35Z

2013-12-16T15:30:30Z

2013-12-16T15:30:06Z

2013-12-16T15:29:38Z

2013-12-16T15:28:31Z

2013-12-16T15:28:01Z

2013-12-16T15:26:45Z

2013-12-16T15:26:02Z

2013-12-16T15:23:44Z

@@ Line 1: / Line 1: @@
 <metadesc> Performance monitoring using performance monitoring counters in Intel machine on Linux </metadesc>
-Download and install [[File:Pmcdriver.zip]]
+Download and install [[Media:Pmcdriver.zip]]
 After install ensure /dev/msrdrv is present. If not, create the node manually using the command

@@ Line 73: / Line 73: @@
      };
 Also, do the following includes
-  #include "msrdrv.h" (Present in the downloaded pmcdriver dolder)
+  #include "msrdrv.h" (Present in the downloaded pmcdriver folder)
   #include <sys/types.h>
   #include <sys/stat.h>

@@ Line 81: / Line 81: @@
   #include <errno.h>
-A test implementation is given in monitor/msrtest.c
+A test implementation is given in monitor/msrtest.c inside the downloaded folder
 {{Template:FBD}}
 [[Category:Technical]]

@@ Line 80: / Line 80: @@
   #include <unistd.h>
   #include <errno.h>
 {{Template:FBD}}
 [[Category:Technical]]

@@ Line 1: / Line 1: @@
 <metadesc> Performance monitoring using performance monitoring counters in Intel machine on Linux </metadesc>
 Download and install [[File:Pmcdriver.zip]]
 After install ensure /dev/msrdrv is present. If not, create the node manually using the command
    sudo mknod /dev/msrdrv c 223 0

← Older revision	Revision as of 11:20, 13 February 2014
(No difference)

@@ Line 1: / Line 1: @@
 Download and install [[File:Pmcdriver.zip]]
 After install ensure /dev/msrdrv is present. If not, create the node manually using the command
@@ Line 12: / Line 13: @@
 . Send data to driver
-ioctl(fd, IOCTL_MSR_CMDS, (long long)msr_start);
+ ioctl(fd, IOCTL_MSR_CMDS, (long long)msr_start);
 . After the execution of the needed code, read the content of the MSR registers:

@@ Line 3: / Line 3: @@
    sudo mknod /dev/msrdrv c 223 0
 and 0 are the major and minor numbers as defined in msrdrv.h file
 This install the kernel driver msrdrv which contains all the system calls needed for reading the performance monitoring counters in Intel machines.
 So, in the user program just do the following:

@@ Line 1: / Line 1: @@
 Download and install [[File:Pmcdriver.zip]]
 This install the kernel driver msrdrv which contains all the system calls needed for reading the performance monitoring counters in Intel machines.
@@ Line 28: / Line 31: @@
+  }
   static void closeDriver(int fd)
-−
+ {
      int e;
      e = close(fd);
@@ Line 34: / Line 37: @@
          perror("Failed to close fd");
+     }
-−
+ }
   struct MsrInOut msr_start[] = {