diff options
Diffstat (limited to 'vpp/api/gmon.c')
-rw-r--r-- | vpp/api/gmon.c | 127 |
1 files changed, 120 insertions, 7 deletions
diff --git a/vpp/api/gmon.c b/vpp/api/gmon.c index 7d12d64c9eb..3098423943e 100644 --- a/vpp/api/gmon.c +++ b/vpp/api/gmon.c @@ -40,37 +40,69 @@ #include <vlib/vlib.h> #include <vlib/unix/unix.h> +#include <vnet/api_errno.h> #include <svmdb.h> typedef struct { - svmdb_client_t *svmdb_client; - f64 *vector_rate_ptr; - f64 *input_rate_ptr; - pid_t *vpef_pid_ptr; - vlib_main_t *vlib_main; + svmdb_client_t *svmdb_client; + f64 *vector_rate_ptr; + f64 *input_rate_ptr; + f64 *sig_error_rate_ptr; + pid_t *vpef_pid_ptr; + u64 last_sig_errors; + u64 current_sig_errors; + u64 * sig_error_bitmap; + vlib_main_t *vlib_main; + vlib_main_t ** my_vlib_mains; + } gmon_main_t; #if DPDK == 0 static inline u64 vnet_get_aggregate_rx_packets (void) { return 0; } #else +#include <vlib/vlib.h> #include <vnet/vnet.h> #include <vnet/devices/dpdk/dpdk.h> #endif gmon_main_t gmon_main; +static u64 get_significant_errors(gmon_main_t * gm) +{ + vlib_main_t * this_vlib_main; + vlib_error_main_t * em; + uword code; + int vm_index; + u64 significant_errors = 0; + + clib_bitmap_foreach (code, gm->sig_error_bitmap, + ({ + for (vm_index = 0; vm_index < vec_len (gm->my_vlib_mains); vm_index++) + { + this_vlib_main = gm->my_vlib_mains[vm_index]; + em = &this_vlib_main->error_main; + significant_errors += em->counters[code] - + ((vec_len(em->counters_last_clear) > code) ? + em->counters_last_clear[code] : 0); + } + })); + + return (significant_errors); +} + static uword gmon_process (vlib_main_t * vm, vlib_node_runtime_t * rt, vlib_frame_t * f) { f64 vector_rate; - u64 input_packets, last_input_packets; + u64 input_packets, last_input_packets, new_sig_errors; f64 last_runtime, dt, now; gmon_main_t *gm = &gmon_main; pid_t vpefpid; + int i; vpefpid = getpid(); *gm->vpef_pid_ptr = vpefpid; @@ -81,6 +113,17 @@ gmon_process (vlib_main_t * vm, last_runtime = 0.0; last_input_packets = 0; + /* Initial wait for the world to settle down */ + vlib_process_suspend (vm, 5.0); + + if (vec_len(vlib_mains) == 0) + vec_add1(gm->my_vlib_mains, &vlib_global_main); + else + { + for (i = 0; i < vec_len(vlib_mains); i++) + vec_add1 (gm->my_vlib_mains, vlib_mains[i]); + } + while (1) { vlib_process_suspend (vm, 5.0); vector_rate = vlib_last_vector_length_per_node (vm); @@ -91,6 +134,11 @@ gmon_process (vlib_main_t * vm, *gm->input_rate_ptr = (f64)(input_packets - last_input_packets) / dt; last_runtime = now; last_input_packets = input_packets; + + new_sig_errors = get_significant_errors(gm); + *gm->sig_error_rate_ptr = + ((f64)(new_sig_errors - gm->last_sig_errors)) / dt; + gm->last_sig_errors = new_sig_errors; } return 0; /* not so much */ @@ -124,6 +172,11 @@ gmon_init (vlib_main_t *vm) "vpp_input_rate", (char *)v, sizeof (*v)); vec_free(v); + vec_add1 (v, 0.0); + svmdb_local_set_vec_variable(gm->svmdb_client, + "vpp_sig_error_rate", + (char *)v, sizeof (*v)); + vec_free(v); vec_add1 (swp, 0.0); svmdb_local_set_vec_variable(gm->svmdb_client, @@ -131,7 +184,7 @@ gmon_init (vlib_main_t *vm) (char *)swp, sizeof (*swp)); vec_free(swp); - /* the value cell will never move, so acquire a reference to it */ + /* the value cells will never move, so acquire references to them */ gm->vector_rate_ptr = svmdb_local_get_variable_reference (gm->svmdb_client, SVMDB_NAMESPACE_VEC, @@ -140,6 +193,10 @@ gmon_init (vlib_main_t *vm) svmdb_local_get_variable_reference (gm->svmdb_client, SVMDB_NAMESPACE_VEC, "vpp_input_rate"); + gm->sig_error_rate_ptr = + svmdb_local_get_variable_reference (gm->svmdb_client, + SVMDB_NAMESPACE_VEC, + "vpp_sig_error_rate"); gm->vpef_pid_ptr = svmdb_local_get_variable_reference (gm->svmdb_client, SVMDB_NAMESPACE_VEC, @@ -157,8 +214,64 @@ static clib_error_t *gmon_exit (vlib_main_t *vm) *gm->vector_rate_ptr = 0.0; *gm->vpef_pid_ptr = 0; *gm->input_rate_ptr = 0.0; + *gm->sig_error_rate_ptr = 0.0; svmdb_unmap (gm->svmdb_client); } return 0; } VLIB_MAIN_LOOP_EXIT_FUNCTION (gmon_exit); + +static int +significant_error_enable_disable (gmon_main_t * gm, + u32 index, int enable) +{ + vlib_main_t * vm = gm->vlib_main; + vlib_error_main_t * em = &vm->error_main; + + if (index >= vec_len (em->counters)) + return VNET_API_ERROR_NO_SUCH_ENTRY; + + gm->sig_error_bitmap = clib_bitmap_set (gm->sig_error_bitmap, index, enable); + return 0; +} + +static clib_error_t * +set_significant_error_command_fn (vlib_main_t * vm, + unformat_input_t * input, + vlib_cli_command_t * cmd) +{ + u32 index; + int enable = 1; + int rv; + gmon_main_t *gm = &gmon_main; + + while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT) { + if (unformat (input, "%d", &index)) + ; + else if (unformat (input, "disable")) + enable = 0; + else + return clib_error_return (0, "unknown input `%U'", + format_unformat_error, input); + } + + rv = significant_error_enable_disable (gm, index, enable); + + switch (rv) + { + case 0: + break; + + default: + return clib_error_return + (0, "significant_error_enable_disable returned %d", rv); + } + + return 0; +} + +VLIB_CLI_COMMAND (set_significant_error_command, static) = { + .path = "set significant error", + .short_help = "set significant error <counter-index-nnn>", + .function = set_significant_error_command_fn, +}; |