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Diffstat (limited to 'tools/power/x86/intel-speed-select/isst-display.c')
-rw-r--r--tools/power/x86/intel-speed-select/isst-display.c16
1 files changed, 9 insertions, 7 deletions
diff --git a/tools/power/x86/intel-speed-select/isst-display.c b/tools/power/x86/intel-speed-select/isst-display.c
index 1d1439036c12..4fb0c1d49d64 100644
--- a/tools/power/x86/intel-speed-select/isst-display.c
+++ b/tools/power/x86/intel-speed-select/isst-display.c
@@ -645,13 +645,15 @@ void isst_display_result(int cpu, FILE *outf, char *feature, char *cmd,
char header[256];
char value[256];
- snprintf(header, sizeof(header), "package-%d",
- get_physical_package_id(cpu));
- format_and_print(outf, 1, header, NULL);
- snprintf(header, sizeof(header), "die-%d", get_physical_die_id(cpu));
- format_and_print(outf, 2, header, NULL);
- snprintf(header, sizeof(header), "cpu-%d", cpu);
- format_and_print(outf, 3, header, NULL);
+ if (cpu >= 0) {
+ snprintf(header, sizeof(header), "package-%d",
+ get_physical_package_id(cpu));
+ format_and_print(outf, 1, header, NULL);
+ snprintf(header, sizeof(header), "die-%d", get_physical_die_id(cpu));
+ format_and_print(outf, 2, header, NULL);
+ snprintf(header, sizeof(header), "cpu-%d", cpu);
+ format_and_print(outf, 3, header, NULL);
+ }
snprintf(header, sizeof(header), "%s", feature);
format_and_print(outf, 4, header, NULL);
snprintf(header, sizeof(header), "%s", cmd);