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| author | trz <trz> | 2005-08-03 21:12:29 +0000 |
|---|---|---|
| committer | trz <trz> | 2005-08-03 21:12:29 +0000 |
| commit | d5d5ee898ced4664141283793a142b992230d2c4 (patch) | |
| tree | 7e36b9251fea533a08aed2aad629817df19441a0 /runtime/print.c | |
| parent | 2205d1152e6e9ff34908bf83c3964fb5883adff1 (diff) | |
| download | systemtap-steved-d5d5ee898ced4664141283793a142b992230d2c4.tar.gz systemtap-steved-d5d5ee898ced4664141283793a142b992230d2c4.tar.xz systemtap-steved-d5d5ee898ced4664141283793a142b992230d2c4.zip | |
Added transport failure message
Diffstat (limited to 'runtime/print.c')
| -rw-r--r-- | runtime/print.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/runtime/print.c b/runtime/print.c index f340a3a1..d262c9ed 100644 --- a/runtime/print.c +++ b/runtime/print.c @@ -46,8 +46,11 @@ void _stp_print_flush (void) return; ret =_stp_transport_write(buf, len + 1); - if (unlikely(ret < 0)) + if (unlikely(ret < 0)) { + if (!atomic_read(&_stp_transport_failures)) + _stp_warn("Transport failure - try using a larger buffer size\n"); atomic_inc (&_stp_transport_failures); + } _stp_pbuf_len[cpu] = 0; *buf = 0; @@ -86,8 +89,11 @@ void _stp_print_flush (void) scnprintf (buf, TIMESTAMP_SIZE, "%10d", seq); buf[TIMESTAMP_SIZE - 1] = ' '; ret = _stp_transport_write(buf, _stp_pbuf_len[cpu] + TIMESTAMP_SIZE + 1); - if (unlikely(ret < 0)) + if (unlikely(ret < 0)) { + if (!atomic_read(&_stp_transport_failures)) + _stp_warn("Transport failure - try using a larger buffer size\n"); atomic_inc (&_stp_transport_failures); + } _stp_pbuf_len[cpu] = 0; *ptr = 0; |