diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/vcl/vppcom.c | 94 | ||||
| -rw-r--r-- | src/vcl/vppcom.h | 1 |
2 files changed, 60 insertions, 35 deletions
diff --git a/src/vcl/vppcom.c b/src/vcl/vppcom.c index d8d7069438a..71d5af0446d 100644 --- a/src/vcl/vppcom.c +++ b/src/vcl/vppcom.c @@ -41,12 +41,18 @@ #undef vl_printfun #if (CLIB_DEBUG > 0) -/* Set VPPCOM_DEBUG 2 for connection debug, 3 for read/write debug output */ -#define VPPCOM_DEBUG 1 +/* Set VPPCOM_DEBUG_INIT 2 for connection debug, + * 3 for read/write debug output + * or + * export VCL_DEBUG=<#> to set dynamically. + */ +#define VPPCOM_DEBUG_INIT 1 #else -#define VPPCOM_DEBUG 0 +#define VPPCOM_DEBUG_INIT 0 #endif +#define VPPCOM_DEBUG vcm->debug + /* * VPPCOM Private definitions and functions. */ @@ -141,6 +147,7 @@ typedef struct vppcom_cfg_t_ typedef struct vppcom_main_t_ { u8 init; + u32 debug; u32 *client_session_index_fifo; volatile u32 bind_session_index; int main_cpu; @@ -185,7 +192,10 @@ typedef struct vppcom_main_t_ * Do not access it directly -- use vcm which will point to * the heap allocated copy after init. */ -static vppcom_main_t _vppcom_main = {.my_client_index = ~0 }; +static vppcom_main_t _vppcom_main = { + .debug = VPPCOM_DEBUG_INIT, + .my_client_index = ~0 +}; static vppcom_main_t *vcm = &_vppcom_main; @@ -1798,6 +1808,22 @@ vppcom_app_create (char *app_name) vcm->init = 1; vppcom_cfg_init (vcl_cfg); + env_var_str = getenv (VPPCOM_ENV_DEBUG); + if (env_var_str) + { + u32 tmp; + if (sscanf (env_var_str, "%u", &tmp) != 1) + clib_warning ("[%d] Invalid debug level specified in " + "the environment variable " + VPPCOM_ENV_DEBUG + " (%s)!\n", getpid (), env_var_str); + else + { + vcm->debug = tmp; + clib_warning ("[%d] configured debug level (%u) from " + VPPCOM_ENV_DEBUG "!", getpid (), vcm->debug); + } + } conf_fname = getenv (VPPCOM_ENV_CONF); if (!conf_fname) { @@ -2453,7 +2479,7 @@ vppcom_session_peek (uint32_t session_index, void *buf, int n) static inline int vppcom_session_read_ready (session_t * session, u32 session_index) { - svm_fifo_t *rx_fifo; + svm_fifo_t *rx_fifo = 0; int ready = 0; /* Assumes caller has acquired spinlock: vcm->sessions_lockp */ @@ -2776,9 +2802,9 @@ vep_verify_epoll_chain (u32 vep_idx) session_t *session; vppcom_epoll_t *vep; int rv; - u32 sid; + u32 sid = vep_idx; - if (VPPCOM_DEBUG < 1) + if (VPPCOM_DEBUG <= 1) return; /* Assumes caller has acquired spinlock: vcm->sessions_lockp */ @@ -2794,35 +2820,17 @@ vep_verify_epoll_chain (u32 vep_idx) vep_idx); goto done; } - if (VPPCOM_DEBUG > 1) - clib_warning ("[%d] vep_idx (%u): Dumping epoll chain\n" - "{\n" - " is_vep = %u\n" - " is_vep_session = %u\n" - " wait_cont_idx = 0x%x (%u)\n" - "}\n", getpid (), - vep_idx, session->is_vep, session->is_vep_session, - session->wait_cont_idx, session->wait_cont_idx); + clib_warning ("[%d] vep_idx (%u): Dumping epoll chain\n" + "{\n" + " is_vep = %u\n" + " is_vep_session = %u\n" + " wait_cont_idx = 0x%x (%u)\n" + "}\n", getpid (), + vep_idx, session->is_vep, session->is_vep_session, + session->wait_cont_idx, session->wait_cont_idx); do { vep = &session->vep; - if (session->is_vep_session && (VPPCOM_DEBUG > 1)) - { - clib_warning ("vep_idx[%u]: sid 0x%x (%u)\n" - "{\n" - " next_sid = 0x%x (%u)\n" - " prev_sid = 0x%x (%u)\n" - " vep_idx = 0x%x (%u)\n" - " ev.events = 0x%x\n" - " ev.data.u64 = 0x%llx\n" - " et_mask = 0x%x\n" - "}\n", - vep_idx, sid, sid, - vep->next_sid, vep->next_sid, - vep->prev_sid, vep->prev_sid, - vep->vep_idx, vep->vep_idx, - vep->ev.events, vep->ev.data.u64, vep->et_mask); - } sid = vep->next_sid; if (sid != ~0) { @@ -2845,13 +2853,29 @@ vep_verify_epoll_chain (u32 vep_idx) clib_warning ("[%d] ERROR: session (%u) vep_idx (%u) != " "vep_idx (%u)!", getpid (), sid, session->vep.vep_idx, vep_idx); + if (session->is_vep_session) + { + clib_warning ("vep_idx[%u]: sid 0x%x (%u)\n" + "{\n" + " next_sid = 0x%x (%u)\n" + " prev_sid = 0x%x (%u)\n" + " vep_idx = 0x%x (%u)\n" + " ev.events = 0x%x\n" + " ev.data.u64 = 0x%llx\n" + " et_mask = 0x%x\n" + "}\n", + vep_idx, sid, sid, + vep->next_sid, vep->next_sid, + vep->prev_sid, vep->prev_sid, + vep->vep_idx, vep->vep_idx, + vep->ev.events, vep->ev.data.u64, vep->et_mask); + } } } while (sid != ~0); done: - if (VPPCOM_DEBUG > 1) - clib_warning ("[%d] vep_idx (%u): Dump complete!", getpid (), vep_idx); + clib_warning ("[%d] vep_idx (%u): Dump complete!\n", getpid (), vep_idx); } int diff --git a/src/vcl/vppcom.h b/src/vcl/vppcom.h index a20ff14a32e..5d22b1a3bd7 100644 --- a/src/vcl/vppcom.h +++ b/src/vcl/vppcom.h @@ -27,6 +27,7 @@ #define VPPCOM_VRF_DEFAULT 0 #define VPPCOM_CONF_DEFAULT "/etc/vpp/vcl.conf" #define VPPCOM_ENV_CONF "VCL_CONFIG" +#define VPPCOM_ENV_DEBUG "VCL_DEBUG" #define VPPCOM_ENV_APP_PROXY_TRANSPORT_TCP "VCL_APP_PROXY_TRANSPORT_TCP" #define VPPCOM_ENV_APP_PROXY_TRANSPORT_UDP "VCL_APP_PROXY_TRANSPORT_UDP" #define VPPCOM_ENV_APP_NAMESPACE_ID "VCL_APP_NAMESPACE_ID" |