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tools/power turbostat: Add ZERO_ARRAY for zero initializing builtin array

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It makes it harder to shoot yourself in the foot, by using
additional __must_be_array() check.

Signed-off-by: Patryk Wlazlyn <patryk.wlazlyn@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
This commit is contained in:
Patryk Wlazlyn 2024-05-24 13:04:33 +02:00 committed by Len Brown
parent 73ed3c941a
commit 25e713c6b5
1 changed files with 5 additions and 3 deletions
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8
tools/power/x86/turbostat/turbostat.c
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@ -1060,6 +1060,8 @@ size_t cpu_present_setsize, cpu_effective_setsize, cpu_allowed_setsize, cpu_affi
#define MAX_ADDED_PACKAGE_COUNTERS 16
#define BITMASK_SIZE 32
#define ZERO_ARRAY(arr) (memset(arr, 0, sizeof(arr)) + __must_be_array(arr))
/* Indexes used to map data read from perf and MSRs into global variables */
enum rapl_rci_index {
RAPL_RCI_INDEX_ENERGY_PKG = 0,
@ -3733,9 +3735,9 @@ int get_cstate_counters(unsigned int cpu, struct thread_data *t, struct core_dat
assert(ccstate_counter_info);
assert(cpu <= ccstate_counter_info_size);
memset(perf_data, 0, sizeof(perf_data));
memset(perf_data_core, 0, sizeof(perf_data_core));
memset(perf_data_pkg, 0, sizeof(perf_data_pkg));
ZERO_ARRAY(perf_data);
ZERO_ARRAY(perf_data_core);
ZERO_ARRAY(perf_data_pkg);
cci = &ccstate_counter_info[cpu];