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authorDave Barach <dave@barachs.net>2020-01-21 12:34:55 -0500
committerFlorin Coras <florin.coras@gmail.com>2020-02-05 23:38:56 +0000
commita690fdbfe179e0ea65818c03b52535bf9210efd0 (patch)
tree345200955b873dbc2f5bb6857b1acc7966ffed90 /src/vlib
parent86e8bce44f43c1f3c50a3397f9ab850f484f4cad (diff)
vppinfra: numa vector placement support
Type: feature Signed-off-by: Dave Barach <dave@barachs.net> Change-Id: I7e7d95a089dd849c1f01ecea84529d8dbf239f21
Diffstat (limited to 'src/vlib')
-rw-r--r--src/vlib/cli.c68
-rw-r--r--src/vlib/threads.c35
-rw-r--r--src/vlib/threads.h9
-rw-r--r--src/vlib/threads_cli.c4
4 files changed, 100 insertions, 16 deletions
diff --git a/src/vlib/cli.c b/src/vlib/cli.c
index bb6c5746537..85049884db6 100644
--- a/src/vlib/cli.c
+++ b/src/vlib/cli.c
@@ -733,9 +733,10 @@ show_memory_usage (vlib_main_t * vm,
unformat_input_t * input, vlib_cli_command_t * cmd)
{
int verbose __attribute__ ((unused)) = 0;
- int api_segment = 0, stats_segment = 0, main_heap = 0;
+ int api_segment = 0, stats_segment = 0, main_heap = 0, numa_heaps = 0;
clib_error_t *error;
u32 index = 0;
+ int i;
uword clib_mem_trace_enable_disable (uword enable);
uword was_enabled;
@@ -750,6 +751,8 @@ show_memory_usage (vlib_main_t * vm,
stats_segment = 1;
else if (unformat (input, "main-heap"))
main_heap = 1;
+ else if (unformat (input, "numa-heaps"))
+ numa_heaps = 1;
else
{
error = clib_error_return (0, "unknown input `%U'",
@@ -758,9 +761,9 @@ show_memory_usage (vlib_main_t * vm,
}
}
- if ((api_segment + stats_segment + main_heap) == 0)
+ if ((api_segment + stats_segment + main_heap + numa_heaps) == 0)
return clib_error_return
- (0, "Please supply one of api-segment, stats-segment or main-heap");
+ (0, "Need one of api-segment, stats-segment, main-heap or numa-heaps");
if (api_segment)
{
@@ -801,6 +804,7 @@ show_memory_usage (vlib_main_t * vm,
vec_free (s);
}
+
#if USE_DLMALLOC == 0
/* *INDENT-OFF* */
foreach_vlib_main (
@@ -849,6 +853,32 @@ show_memory_usage (vlib_main_t * vm,
/* Restore the trace flag */
clib_mem_trace_enable_disable (was_enabled);
}
+ if (numa_heaps)
+ {
+ struct dlmallinfo mi;
+ void *mspace;
+
+ for (i = 0; i < ARRAY_LEN (clib_per_numa_mheaps); i++)
+ {
+ if (clib_per_numa_mheaps[i] == 0)
+ continue;
+ if (clib_per_numa_mheaps[i] == clib_per_cpu_mheaps[i])
+ {
+ vlib_cli_output (vm, "Numa %d uses the main heap...", i);
+ continue;
+ }
+ was_enabled = clib_mem_trace_enable_disable (0);
+ mspace = clib_per_numa_mheaps[i];
+
+ mi = mspace_mallinfo (mspace);
+ vlib_cli_output (vm, "Numa %d:", i);
+ vlib_cli_output (vm, " %U\n", format_page_map,
+ pointer_to_uword (mspace_least_addr (mspace)),
+ mi.arena);
+ vlib_cli_output (vm, " %U\n", format_mheap,
+ clib_per_numa_mheaps[index], verbose);
+ }
+ }
}
#endif /* USE_DLMALLOC */
return 0;
@@ -857,7 +887,8 @@ show_memory_usage (vlib_main_t * vm,
/* *INDENT-OFF* */
VLIB_CLI_COMMAND (show_memory_usage_command, static) = {
.path = "show memory",
- .short_help = "show memory [api-segment][stats-segment][verbose]",
+ .short_help = "show memory [api-segment][stats-segment][verbose]\n"
+ " [numa-heaps]",
.function = show_memory_usage,
};
/* *INDENT-ON* */
@@ -905,6 +936,7 @@ enable_disable_memory_trace (vlib_main_t * vm,
int api_segment = 0;
int stats_segment = 0;
int main_heap = 0;
+ u32 numa_id = ~0;
void *oldheap;
if (!unformat_user (input, unformat_line_input, line_input))
@@ -920,6 +952,8 @@ enable_disable_memory_trace (vlib_main_t * vm,
stats_segment = 1;
else if (unformat (line_input, "main-heap"))
main_heap = 1;
+ else if (unformat (line_input, "numa-heap %d", &numa_id))
+ ;
else
{
unformat_free (line_input);
@@ -928,10 +962,12 @@ enable_disable_memory_trace (vlib_main_t * vm,
}
unformat_free (line_input);
- if ((api_segment + stats_segment + main_heap + (enable == 0)) == 0)
+ if ((api_segment + stats_segment + main_heap + (enable == 0)
+ + (numa_id != ~0)) == 0)
{
return clib_error_return
- (0, "Need one of main-heap, stats-segment or api-segment");
+ (0, "Need one of main-heap, stats-segment, api-segment,\n"
+ "numa-heap <nn> or disable");
}
/* Turn off current trace, if any */
@@ -975,13 +1011,31 @@ enable_disable_memory_trace (vlib_main_t * vm,
clib_mem_trace (main_heap);
}
+ if (numa_id != ~0)
+ {
+ if (numa_id >= ARRAY_LEN (clib_per_numa_mheaps))
+ return clib_error_return (0, "Numa %d out of range", numa_id);
+ if (clib_per_numa_mheaps[numa_id] == 0)
+ return clib_error_return (0, "Numa %d heap not active", numa_id);
+
+ if (clib_per_numa_mheaps[numa_id] == clib_mem_get_heap ())
+ return clib_error_return (0, "Numa %d uses the main heap...",
+ numa_id);
+ current_traced_heap = clib_per_numa_mheaps[numa_id];
+ oldheap = clib_mem_set_heap (current_traced_heap);
+ clib_mem_trace (1);
+ clib_mem_set_heap (oldheap);
+ }
+
+
return 0;
}
/* *INDENT-OFF* */
VLIB_CLI_COMMAND (enable_disable_memory_trace_command, static) = {
.path = "memory-trace",
- .short_help = "memory-trace on|off [api-segment][stats-segment][main-heap]\n",
+ .short_help = "memory-trace on|off [api-segment][stats-segment][main-heap]\n"
+ " [numa-heap <numa-id>]\n",
.function = enable_disable_memory_trace,
};
/* *INDENT-ON* */
diff --git a/src/vlib/threads.c b/src/vlib/threads.c
index e6733d55b6f..a827e3594e8 100644
--- a/src/vlib/threads.c
+++ b/src/vlib/threads.c
@@ -577,12 +577,12 @@ vlib_worker_thread_bootstrap_fn (void *arg)
return rv;
}
-static void
-vlib_get_thread_core_socket (vlib_worker_thread_t * w, unsigned cpu_id)
+void
+vlib_get_thread_core_numa (vlib_worker_thread_t * w, unsigned cpu_id)
{
const char *sys_cpu_path = "/sys/devices/system/cpu/cpu";
u8 *p = 0;
- int core_id = -1, socket_id = -1;
+ int core_id = -1, numa_id = -1;
p = format (p, "%s%u/topology/core_id%c", sys_cpu_path, cpu_id, 0);
clib_sysfs_read ((char *) p, "%d", &core_id);
@@ -590,11 +590,11 @@ vlib_get_thread_core_socket (vlib_worker_thread_t * w, unsigned cpu_id)
p =
format (p, "%s%u/topology/physical_package_id%c", sys_cpu_path, cpu_id,
0);
- clib_sysfs_read ((char *) p, "%d", &socket_id);
+ clib_sysfs_read ((char *) p, "%d", &numa_id);
vec_free (p);
w->core_id = core_id;
- w->socket_id = socket_id;
+ w->numa_id = numa_id;
}
static clib_error_t *
@@ -602,9 +602,29 @@ vlib_launch_thread_int (void *fp, vlib_worker_thread_t * w, unsigned cpu_id)
{
vlib_thread_main_t *tm = &vlib_thread_main;
void *(*fp_arg) (void *) = fp;
+ void *numa_heap;
w->cpu_id = cpu_id;
- vlib_get_thread_core_socket (w, cpu_id);
+ vlib_get_thread_core_numa (w, cpu_id);
+ os_set_numa_index (w->numa_id);
+
+ /* Set up NUMA-bound heap if indicated */
+ if (clib_per_numa_mheaps[w->numa_id] == 0)
+ {
+ /* If the user requested a NUMA heap, create it... */
+ if (tm->numa_heap_size)
+ {
+ numa_heap = clib_mem_init_thread_safe_numa
+ (0 /* DIY */ , tm->numa_heap_size);
+ clib_per_numa_mheaps[w->numa_id] = numa_heap;
+ }
+ else
+ {
+ /* Or, use the main heap */
+ clib_per_numa_mheaps[w->numa_id] = w->thread_mheap;
+ }
+ }
+
if (tm->cb.vlib_launch_thread_cb && !w->registration->use_pthreads)
return tm->cb.vlib_launch_thread_cb (fp, (void *) w, cpu_id);
else
@@ -1242,6 +1262,9 @@ cpu_config (vlib_main_t * vm, unformat_input_t * input)
;
else if (unformat (input, "skip-cores %u", &tm->skip_cores))
;
+ else if (unformat (input, "numa-heap-size %U",
+ unformat_memory_size, &tm->numa_heap_size))
+ ;
else if (unformat (input, "coremask-%s %U", &name,
unformat_bitmap_mask, &bitmap) ||
unformat (input, "corelist-%s %U", &name,
diff --git a/src/vlib/threads.h b/src/vlib/threads.h
index 312323c096d..c1188cea933 100644
--- a/src/vlib/threads.h
+++ b/src/vlib/threads.h
@@ -110,7 +110,7 @@ typedef struct
long lwp;
int cpu_id;
int core_id;
- int socket_id;
+ int numa_id;
pthread_t thread_id;
} vlib_worker_thread_t;
@@ -338,6 +338,10 @@ typedef struct
/* callbacks */
vlib_thread_callbacks_t cb;
int extern_thread_mgmt;
+
+ /* NUMA-bound heap size */
+ uword numa_heap_size;
+
} vlib_thread_main_t;
extern vlib_thread_main_t vlib_thread_main;
@@ -613,6 +617,9 @@ void
vlib_process_signal_event_mt_helper (vlib_process_signal_event_mt_args_t *
args);
void vlib_rpc_call_main_thread (void *function, u8 * args, u32 size);
+void vlib_get_thread_core_numa (vlib_worker_thread_t * w, unsigned cpu_id);
+
+
#endif /* included_vlib_threads_h */
/*
diff --git a/src/vlib/threads_cli.c b/src/vlib/threads_cli.c
index 65b3e2a5496..bcb85ec69fb 100644
--- a/src/vlib/threads_cli.c
+++ b/src/vlib/threads_cli.c
@@ -67,8 +67,8 @@ show_threads_fn (vlib_main_t * vm,
if (cpu_id > -1)
{
int core_id = w->core_id;
- int socket_id = w->socket_id;
- line = format (line, "%-7u%-7u%-7u%", cpu_id, core_id, socket_id);
+ int numa_id = w->numa_id;
+ line = format (line, "%-7u%-7u%-7u%", cpu_id, core_id, numa_id);
}
else
{