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Diffstat (limited to 'src/kpi/dlt-kpi-common.c')
-rw-r--r--src/kpi/dlt-kpi-common.c48
1 files changed, 48 insertions, 0 deletions
diff --git a/src/kpi/dlt-kpi-common.c b/src/kpi/dlt-kpi-common.c
index c0c7767..26c4e28 100644
--- a/src/kpi/dlt-kpi-common.c
+++ b/src/kpi/dlt-kpi-common.c
@@ -26,6 +26,8 @@
#include "dlt-kpi-common.h"
+static int dlt_kpi_cpu_count = -1;
+
DltReturnValue dlt_kpi_read_file_compact(char *filename, char **target)
{
char buffer[BUFFER_SIZE];
@@ -66,3 +68,49 @@ DltReturnValue dlt_kpi_read_file(char* filename, char* buffer, uint maxLength)
return DLT_RETURN_OK;
}
+
+int dlt_kpi_read_cpu_count()
+{
+ char buffer[BUFFER_SIZE];
+ int ret = dlt_kpi_read_file("/proc/cpuinfo", buffer, sizeof(buffer));
+ if(ret != 0)
+ {
+ fprintf(stderr, "dlt_kpi_get_cpu_count(): Could not read /proc/cpuinfo\n");
+ return -1;
+ }
+
+ char* delim = "[] \t\n";
+ char* tok = strtok(buffer, delim);
+ if(tok == NULL)
+ {
+ fprintf(stderr, "dlt_kpi_get_cpu_count(): Could not extract token\n");
+ return -1;
+ }
+
+ int num = 0;
+ do
+ {
+ if(strcmp(tok, "processor") == 0)
+ num++;
+
+ tok = strtok(NULL, delim);
+ }
+ while(tok != NULL);
+
+ return num;
+}
+
+int dlt_kpi_get_cpu_count()
+{
+ if(dlt_kpi_cpu_count <= 0)
+ {
+ dlt_kpi_cpu_count = dlt_kpi_read_cpu_count();
+ if(dlt_kpi_cpu_count <= 0)
+ {
+ fprintf(stderr, "Could not get CPU count\n");
+ dlt_kpi_cpu_count = -1;
+ }
+ }
+
+ return dlt_kpi_cpu_count;
+}