[v2] power: fix number of uncore freqs

Message ID 20240722155754.6975-1-stephen@networkplumber.org (mailing list archive)
State Superseded, archived
Delegated to: Thomas Monjalon
Headers
Series [v2] power: fix number of uncore freqs |

Checks

Context Check Description
ci/checkpatch success coding style OK
ci/loongarch-compilation fail ninja build failure
ci/Intel-compilation fail Compilation issues
ci/github-robot: build fail github build: failed
ci/iol-testing fail build patch failure

Commit Message

Stephen Hemminger July 22, 2024, 3:57 p.m. UTC
The number of uncore frequencies was defined in three places,
and two of them were too small leading to test failures.
All places should be using RTE_MAX_UNCORE_FREQS.

Bugzilla ID: 1499
Fixes: 60b8a661a957 ("power: add Intel uncore frequency control")
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
---
v2 - drop the debug log changes

 app/test/test_power_intel_uncore.c | 4 +---
 lib/power/power_intel_uncore.c     | 5 ++---
 2 files changed, 3 insertions(+), 6 deletions(-)
  

Patch

diff --git a/app/test/test_power_intel_uncore.c b/app/test/test_power_intel_uncore.c
index 80b45ce46e..049658627d 100644
--- a/app/test/test_power_intel_uncore.c
+++ b/app/test/test_power_intel_uncore.c
@@ -17,14 +17,12 @@  test_power_intel_uncore(void)
 #include <rte_power_uncore.h>
 #include <power_common.h>
 
-#define MAX_UNCORE_FREQS 32
-
 #define VALID_PKG 0
 #define VALID_DIE 0
 #define INVALID_PKG (rte_power_uncore_get_num_pkgs() + 1)
 #define INVALID_DIE (rte_power_uncore_get_num_dies(VALID_PKG) + 1)
 #define VALID_INDEX 1
-#define INVALID_INDEX (MAX_UNCORE_FREQS + 1)
+#define INVALID_INDEX (RTE_MAX_UNCORE_FREQS + 1)
 
 static int check_power_uncore_init(void)
 {
diff --git a/lib/power/power_intel_uncore.c b/lib/power/power_intel_uncore.c
index 9c152e4ed2..0090ddd374 100644
--- a/lib/power/power_intel_uncore.c
+++ b/lib/power/power_intel_uncore.c
@@ -11,7 +11,6 @@ 
 #include "power_intel_uncore.h"
 #include "power_common.h"
 
-#define MAX_UNCORE_FREQS 32
 #define MAX_NUMA_DIE 8
 #define BUS_FREQ     100000
 #define FILTER_LENGTH 18
@@ -32,7 +31,7 @@ 
 struct __rte_cache_aligned uncore_power_info {
 	unsigned int die;                  /* Core die id */
 	unsigned int pkg;                  /* Package id */
-	uint32_t freqs[MAX_UNCORE_FREQS];  /* Frequency array */
+	uint32_t freqs[RTE_MAX_UNCORE_FREQS]; /* Frequency array */
 	uint32_t nb_freqs;                 /* Number of available freqs */
 	FILE *f_cur_min;                   /* FD of scaling_min */
 	FILE *f_cur_max;                   /* FD of scaling_max */
@@ -221,7 +220,7 @@  power_get_available_uncore_freqs(struct uncore_power_info *ui)
 	uint32_t i, num_uncore_freqs = 0;
 
 	num_uncore_freqs = (ui->init_max_freq - ui->init_min_freq) / BUS_FREQ + 1;
-	if (num_uncore_freqs >= MAX_UNCORE_FREQS) {
+	if (num_uncore_freqs >= RTE_MAX_UNCORE_FREQS) {
 		POWER_LOG(ERR, "Too many available uncore frequencies: %d",
 				num_uncore_freqs);
 		goto out;