Changeset 62550dce in mainline for uspace/app/ps/ps.c

Timestamp:

2010-04-01T21:31:25Z (14 years ago)

Author:

Stanislav Kozina <stanislav.kozina@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

dd6c71c

Parents:

79edc36

Message:

ps -c echoes info about CPU's
cpu count is accessible through sysinfo("cpu.count")

File:

• uspace/app/ps/ps.c (modified) (3 diffs)

uspace/app/ps/ps.c

@@ -43 +43 @@
 #include <malloc.h>
 #include <load.h>
+#include <sysinfo.h>
 
 #include "func.h"
@@ -141 +142 @@
 }
 
+static void echo_cpus(void)
+{
+        size_t cpu_count = sysinfo_value("cpu.count");
+        printf("Found %u cpu's:\n", cpu_count);
+        uspace_cpu_info_t *cpus = malloc(cpu_count * sizeof(uspace_cpu_info_t));
+        get_cpu_info(cpus);
+        size_t i;
+        for (i = 0; i < cpu_count; ++i) {
+                printf("%2u (%4u Mhz): Busy ticks: %8llu, Idle ticks: %8llu\n", cpus[i].id,
+                                (size_t)cpus[i].frequency_mhz, cpus[i].busy_ticks, cpus[i].idle_ticks);
+        }
+}
+
 static void usage()
 {
-        printf("Usage: ps [-t pid -l]\n");
+        printf("Usage: ps [-t pid|-l|-c]\n");
 }
 
@@ -169 +183 @@
                         }
                         echo_load();
+                } else if (str_cmp(*argv, "-c") == 0) {
+                        --argc; ++argv;
+                        if (argc != 0) {
+                                printf("Bad argument count!\n");
+                                usage();
+                                exit(1);
+                        }
+                        echo_cpus();
                 } else {
                         printf("Unknown argument %s!\n", *argv);