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authorDamjan Marion <damarion@cisco.com>2020-09-11 22:18:35 +0200
committerOle Tr�an <otroan@employees.org>2020-09-18 09:07:32 +0000
commit1965f750bf5f399a11c75d7ba14a52a504c69227 (patch)
treea770b90732f7e4aa060497b49d4129a3bd6e8a5b /src
parentbdbb0c5436b52b4dc6c35d05f227cdf934306d83 (diff)
vpp: make main heap page size configurable from startup.conf
Type: improvement Change-Id: I190c6896152c626aa7cb1055cfce5d9cfcd5b68b Signed-off-by: Damjan Marion <damarion@cisco.com>
Diffstat (limited to 'src')
-rw-r--r--src/vpp/conf/startup.conf12
-rw-r--r--src/vpp/vnet/main.c71
2 files changed, 68 insertions, 15 deletions
diff --git a/src/vpp/conf/startup.conf b/src/vpp/conf/startup.conf
index 0be10d5ba19..eb2cf09c889 100644
--- a/src/vpp/conf/startup.conf
+++ b/src/vpp/conf/startup.conf
@@ -32,6 +32,18 @@ socksvr {
default
}
+# memory {
+ ## Set the main heap size, default is 1G
+ # main-heap-size 2G
+
+ ## Set the main heap page size. Default page size is OS default page
+ ## which is in most cases 4K. if different page size is specified VPP
+ ## will try to allocate main heap by using specified page size.
+ ## special keyword 'default-hugepage' will use system default hugepage
+ ## size
+ # main-heap-page-size 1G
+#}
+
cpu {
## In the VPP there is one main thread and optionally the user can create worker(s)
## The main thread and worker thread(s) can be pinned to CPU core(s) manually or automatically
diff --git a/src/vpp/vnet/main.c b/src/vpp/vnet/main.c
index 7d87d0cd3b1..0e8a2064ae6 100644
--- a/src/vpp/vnet/main.c
+++ b/src/vpp/vnet/main.c
@@ -111,6 +111,9 @@ main (int argc, char *argv[])
uword main_heap_size = (1ULL << 30);
u8 *sizep;
u32 size;
+ clib_mem_page_sz_t main_heap_log2_page_sz = CLIB_MEM_PAGE_SZ_DEFAULT;
+ unformat_input_t input, sub_input;
+ u8 *s = 0, *v = 0;
int main_core = 1;
cpu_set_t cpuset;
void *main_heap;
@@ -268,9 +271,48 @@ main (int argc, char *argv[])
}
}
}
-
defaulted:
+ /* temporary heap */
+ clib_mem_init (0, 1 << 20);
+ unformat_init_command_line (&input, (char **) argv);
+
+ while (unformat_check_input (&input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (&input, "memory %v", &v))
+ {
+ unformat_init_vector (&sub_input, v);
+ v = 0;
+ while (unformat_check_input (&sub_input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (&sub_input, "main-heap-size %U",
+ unformat_memory_size, &main_heap_size))
+ ;
+ else if (unformat (&sub_input, "main-heap-page-size %U",
+ unformat_log2_page_size,
+ &main_heap_log2_page_sz))
+ ;
+ else
+ {
+ fformat (stderr, "unknown 'memory' config input '%U'\n",
+ format_unformat_error, &sub_input);
+ exit (1);
+ }
+
+ }
+ unformat_free (&sub_input);
+ }
+ else if (!unformat (&input, "%s %v", &s, &v))
+ break;
+
+ vec_reset_length (s);
+ vec_reset_length (v);
+ }
+ vec_free (s);
+ vec_free (v);
+
+ unformat_free (&input);
+
/* set process affinity for main thread */
CPU_ZERO (&cpuset);
CPU_SET (main_core, &cpuset);
@@ -279,8 +321,11 @@ defaulted:
/* Set up the plugin message ID allocator right now... */
vl_msg_api_set_first_available_msg_id (VL_MSG_FIRST_AVAILABLE);
- /* Allocate main heap */
- if ((main_heap = clib_mem_init_thread_safe (0, main_heap_size)))
+ /* destroy temporary heap and create main one */
+ clib_mem_destroy ();
+
+ if ((main_heap = clib_mem_init_with_page_size (main_heap_size,
+ main_heap_log2_page_sz)))
{
/* Figure out which numa runs the main thread */
__os_numa_index = clib_get_current_numa_node ();
@@ -303,20 +348,16 @@ defaulted:
}
static clib_error_t *
-heapsize_config (vlib_main_t * vm, unformat_input_t * input)
+memory_config (vlib_main_t * vm, unformat_input_t * input)
{
- u32 junk;
+ return 0;
+}
- while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
- {
- if (unformat (input, "%dm", &junk)
- || unformat (input, "%dM", &junk)
- || unformat (input, "%dg", &junk) || unformat (input, "%dG", &junk))
- return 0;
- else
- return clib_error_return (0, "unknown input '%U'",
- format_unformat_error, input);
- }
+VLIB_CONFIG_FUNCTION (memory_config, "memory");
+
+static clib_error_t *
+heapsize_config (vlib_main_t * vm, unformat_input_t * input)
+{
return 0;
}