LU-9083: Add scripts to collect and analyze Lustre RPC traces

[fs/lustre-release.git] / libcfs / libcfs / libcfs_cpu.c

diff --git a/libcfs/libcfs/libcfs_cpu.c b/libcfs/libcfs/libcfs_cpu.c
index 0934061..209333e 100644 (file)
--- a/libcfs/libcfs/libcfs_cpu.c
+++ b/libcfs/libcfs/libcfs_cpu.c
@@ -38,15 +38,16 @@
 #include <libcfs/libcfs.h>
 
 /** Global CPU partition table */
-struct cfs_cpt_table   *cfs_cpt_table __read_mostly = NULL;
+struct cfs_cpt_table *cfs_cpt_table __read_mostly = NULL;
 EXPORT_SYMBOL(cfs_cpt_table);
 
 #ifndef HAVE_LIBCFS_CPT
 
 #define CFS_CPU_VERSION_MAGIC           0xbabecafe
 
-struct cfs_cpt_table *
-cfs_cpt_table_alloc(unsigned int ncpt)
+#define CFS_CPT_DISTANCE               1       /* Arbitrary positive value */
+
+struct cfs_cpt_table *cfs_cpt_table_alloc(int ncpt)
 {
        struct cfs_cpt_table *cptab;
 
@@ -58,6 +59,7 @@ cfs_cpt_table_alloc(unsigned int ncpt)
        LIBCFS_ALLOC(cptab, sizeof(*cptab));
        if (cptab != NULL) {
                cptab->ctb_version = CFS_CPU_VERSION_MAGIC;
+               cpu_set(0, cptab->ctb_cpumask);
                node_set(0, cptab->ctb_nodemask);
                cptab->ctb_nparts  = ncpt;
        }
@@ -66,8 +68,7 @@ cfs_cpt_table_alloc(unsigned int ncpt)
 }
 EXPORT_SYMBOL(cfs_cpt_table_alloc);
 
-void
-cfs_cpt_table_free(struct cfs_cpt_table *cptab)
+void cfs_cpt_table_free(struct cfs_cpt_table *cptab)
 {
        LASSERT(cptab->ctb_version == CFS_CPU_VERSION_MAGIC);
 
@@ -75,10 +76,9 @@ cfs_cpt_table_free(struct cfs_cpt_table *cptab)
 }
 EXPORT_SYMBOL(cfs_cpt_table_free);
 
-int
-cfs_cpt_table_print(struct cfs_cpt_table *cptab, char *buf, int len)
+int cfs_cpt_table_print(struct cfs_cpt_table *cptab, char *buf, int len)
 {
-       int     rc = 0;
+       int rc = 0;
 
        rc = snprintf(buf, len, "%d\t: %d\n", 0, 0);
        len -= rc;
@@ -89,129 +89,134 @@ cfs_cpt_table_print(struct cfs_cpt_table *cptab, char *buf, int len)
 }
 EXPORT_SYMBOL(cfs_cpt_table_print);
 
-int
-cfs_cpt_number(struct cfs_cpt_table *cptab)
+int cfs_cpt_distance_print(struct cfs_cpt_table *cptab, char *buf, int len)
+{
+       int     rc = 0;
+
+       rc = snprintf(buf, len, "%d\t: %d:%d\n", 0, CFS_CPT_DISTANCE);
+       len -= rc;
+       if (len <= 0)
+               return -EFBIG;
+
+       return rc;
+}
+EXPORT_SYMBOL(cfs_cpt_distance_print);
+
+int cfs_cpt_number(struct cfs_cpt_table *cptab)
 {
        return 1;
 }
 EXPORT_SYMBOL(cfs_cpt_number);
 
-int
-cfs_cpt_weight(struct cfs_cpt_table *cptab, int cpt)
+int cfs_cpt_weight(struct cfs_cpt_table *cptab, int cpt)
 {
        return 1;
 }
 EXPORT_SYMBOL(cfs_cpt_weight);
 
-int
-cfs_cpt_online(struct cfs_cpt_table *cptab, int cpt)
+int cfs_cpt_online(struct cfs_cpt_table *cptab, int cpt)
 {
        return 1;
 }
 EXPORT_SYMBOL(cfs_cpt_online);
 
-nodemask_t *
-cfs_cpt_nodemask(struct cfs_cpt_table *cptab, int cpt)
+cpumask_t *cfs_cpt_cpumask(struct cfs_cpt_table *cptab, int cpt)
 {
-       return &cptab->ctb_nodemask;
+       return &cptab->ctb_mask;
 }
 EXPORT_SYMBOL(cfs_cpt_cpumask);
 
-int
-cfs_cpt_set_cpu(struct cfs_cpt_table *cptab, int cpt, int cpu)
+nodemask_t *cfs_cpt_nodemask(struct cfs_cpt_table *cptab, int cpt)
+{
+       return &cptab->ctb_nodemask;
+}
+EXPORT_SYMBOL(cfs_cpt_nodemask);
+
+unsigned cfs_cpt_distance(struct cfs_cpt_table *cptab, int cpt1, int cpt2)
+{
+       return CFS_CPT_DISTANCE;
+}
+EXPORT_SYMBOL(cfs_cpt_distance);
+
+int cfs_cpt_set_cpu(struct cfs_cpt_table *cptab, int cpt, int cpu)
 {
        return 1;
 }
 EXPORT_SYMBOL(cfs_cpt_set_cpu);
 
-void
-cfs_cpt_unset_cpu(struct cfs_cpt_table *cptab, int cpt, int cpu)
+void cfs_cpt_unset_cpu(struct cfs_cpt_table *cptab, int cpt, int cpu)
 {
 }
 EXPORT_SYMBOL(cfs_cpt_unset_cpu);
 
-int
-cfs_cpt_set_cpumask(struct cfs_cpt_table *cptab, int cpt, cpumask_t *mask)
+int cfs_cpt_set_cpumask(struct cfs_cpt_table *cptab, int cpt,
+                       const cpumask_t *mask)
 {
        return 1;
 }
 EXPORT_SYMBOL(cfs_cpt_set_cpumask);
 
-void
-cfs_cpt_unset_cpumask(struct cfs_cpt_table *cptab, int cpt, cpumask_t *mask)
+void cfs_cpt_unset_cpumask(struct cfs_cpt_table *cptab, int cpt,
+                          const cpumask_t *mask)
 {
 }
 EXPORT_SYMBOL(cfs_cpt_unset_cpumask);
 
-int
-cfs_cpt_set_node(struct cfs_cpt_table *cptab, int cpt, int node)
+int cfs_cpt_set_node(struct cfs_cpt_table *cptab, int cpt, int node)
 {
        return 1;
 }
 EXPORT_SYMBOL(cfs_cpt_set_node);
 
-void
-cfs_cpt_unset_node(struct cfs_cpt_table *cptab, int cpt, int node)
+void cfs_cpt_unset_node(struct cfs_cpt_table *cptab, int cpt, int node)
 {
 }
 EXPORT_SYMBOL(cfs_cpt_unset_node);
 
-int
-cfs_cpt_set_nodemask(struct cfs_cpt_table *cptab, int cpt, nodemask_t *mask)
+int cfs_cpt_set_nodemask(struct cfs_cpt_table *cptab, int cpt,
+                        const nodemask_t *mask)
 {
        return 1;
 }
 EXPORT_SYMBOL(cfs_cpt_set_nodemask);
 
-void
-cfs_cpt_unset_nodemask(struct cfs_cpt_table *cptab, int cpt, nodemask_t *mask)
+void cfs_cpt_unset_nodemask(struct cfs_cpt_table *cptab, int cpt,
+                           const nodemask_t *mask)
 {
 }
 EXPORT_SYMBOL(cfs_cpt_unset_nodemask);
 
-void
-cfs_cpt_clear(struct cfs_cpt_table *cptab, int cpt)
-{
-}
-EXPORT_SYMBOL(cfs_cpt_clear);
-
-int
-cfs_cpt_spread_node(struct cfs_cpt_table *cptab, int cpt)
+int cfs_cpt_spread_node(struct cfs_cpt_table *cptab, int cpt)
 {
        return 0;
 }
 EXPORT_SYMBOL(cfs_cpt_spread_node);
 
-int
-cfs_cpu_ht_nsiblings(int cpu)
+int cfs_cpt_current(struct cfs_cpt_table *cptab, int remap)
 {
-       return 1;
+       return 0;
 }
-EXPORT_SYMBOL(cfs_cpu_ht_nsiblings);
+EXPORT_SYMBOL(cfs_cpt_current);
 
-int
-cfs_cpt_current(struct cfs_cpt_table *cptab, int remap)
+int cfs_cpt_of_cpu(struct cfs_cpt_table *cptab, int cpu)
 {
        return 0;
 }
-EXPORT_SYMBOL(cfs_cpt_current);
+EXPORT_SYMBOL(cfs_cpt_of_cpu);
 
-int
-cfs_cpt_of_cpu(struct cfs_cpt_table *cptab, int cpu)
+int cfs_cpt_of_node(struct cfs_cpt_table *cptab, int node)
 {
        return 0;
 }
-EXPORT_SYMBOL(cfs_cpt_of_cpu);
+EXPORT_SYMBOL(cfs_cpt_of_node);
 
-int
-cfs_cpt_bind(struct cfs_cpt_table *cptab, int cpt)
+int cfs_cpt_bind(struct cfs_cpt_table *cptab, int cpt)
 {
        return 0;
 }
 EXPORT_SYMBOL(cfs_cpt_bind);
 
-void
-cfs_cpu_fini(void)
+void cfs_cpu_fini(void)
 {
        if (cfs_cpt_table != NULL) {
                cfs_cpt_table_free(cfs_cpt_table);
@@ -219,8 +224,7 @@ cfs_cpu_fini(void)
        }
 }
 
-int
-cfs_cpu_init(void)
+int cfs_cpu_init(void)
 {
        cfs_cpt_table = cfs_cpt_table_alloc(1);