From 01a771b12198b3f07d67a4bc73650c1f65257708 Mon Sep 17 00:00:00 2001 From: Dave Barach Date: Thu, 5 Jul 2018 11:48:20 -0400 Subject: add stat segment size configuration Change-Id: I395ff9c91d670a9f9e50dc1b030e0412b7234de5 Signed-off-by: Dave Barach --- src/vpp/stats/stat_segment.c | 26 +++++++++++++++++++++++++- src/vpp/stats/stats.h | 4 ++++ 2 files changed, 29 insertions(+), 1 deletion(-) diff --git a/src/vpp/stats/stat_segment.c b/src/vpp/stats/stat_segment.c index 08f1d309f50..72333746fbd 100644 --- a/src/vpp/stats/stat_segment.c +++ b/src/vpp/stats/stat_segment.c @@ -198,8 +198,13 @@ vlib_map_stat_segment_init (void) void *oldheap; u32 *lock; int rv; + u64 memory_size; - ssvmp->ssvm_size = 32 << 20; /*$$$$$ CONFIG PARAM */ + memory_size = sm->memory_size; + if (memory_size == 0) + memory_size = STAT_SEGMENT_DEFAULT_SIZE; + + ssvmp->ssvm_size = memory_size; ssvmp->i_am_master = 1; ssvmp->my_pid = getpid (); ssvmp->name = format (0, "/stats%c", 0); @@ -508,6 +513,25 @@ do_stat_segment_updates (stats_main_t * sm) update_serialized_nodes (sm); } +static clib_error_t * +statseg_config (vlib_main_t * vm, unformat_input_t * input) +{ + stats_main_t *sm = &stats_main; + uword ms; + + while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT) + { + if (unformat (input, "size %U", unformat_memory_size, &sm->memory_size)) + ; + else + return clib_error_return (0, "unknown input `%U'", + format_unformat_error, input); + } + + return 0; +} + +VLIB_EARLY_CONFIG_FUNCTION (statseg_config, "statseg"); /* * fd.io coding-style-patch-verification: ON diff --git a/src/vpp/stats/stats.h b/src/vpp/stats/stats.h index 3b6f781eee3..bb4cbebe035 100644 --- a/src/vpp/stats/stats.h +++ b/src/vpp/stats/stats.h @@ -167,6 +167,7 @@ typedef struct clib_spinlock_t *stat_segment_lockp; clib_socket_t *socket; u8 *socket_name; + uword memory_size; /* Pointers to scalar stats maintained by the stat thread */ f64 *input_rate_ptr; @@ -195,6 +196,9 @@ typedef struct extern stats_main_t stats_main; +/* Default stat segment 32m */ +#define STAT_SEGMENT_DEFAULT_SIZE (32<<20) + #define STAT_SEGMENT_OPAQUE_LOCK 0 #define STAT_SEGMENT_OPAQUE_DIR 1 #define STAT_SEGMENT_OPAQUE_EPOCH 2 -- cgit 1.2.3-korg