strace - yum repolist

as per the output below i am getting some waiting for an event.  every time it is stuck at poll As i have limited skills in strace, can some one guide me to find the root cause of the slowness.


munmap(0x7f14322fb000, 4096)            = 0
socket(PF_INET, SOCK_DGRAM|SOCK_NONBLOCK, IPPROTO_IP) = 5
connect(5, {sa_family=AF_INET, sin_port=htons(53), sin_addr=inet_addr("10.x.x.1")}, 16) = 0
poll([{fd=5, events=POLLOUT}], 1, 0)    = 1 ([{fd=5, revents=POLLOUT}])
sendto(5, ">a\1\0\0\1\0\0\0\0\0\0\trhn1-01-c\5myc\2ca\0"..., 36, MSG_NOSIGNAL, NULL, 0) = 36
poll([{fd=5, events=POLLIN|POLLOUT}], 1, 5000) = 1 ([{fd=5, revents=POLLOUT}])
sendto(5, "\242:\1\0\0\1\0\0\0\0\0\0\trhn1-01-c\myc\2ca\0"..., 36, MSG_NOSIGNAL, NULL, 0) = 36
poll([{fd=5, events=POLLIN}], 1, 4999



[root@ tmp]# strace -e poll yum repolist
Loaded plugins: product-id, search-disabled-repos, security, subscription-manager
poll([{fd=5, events=POLLIN}], 1, 10)    = 1 ([{fd=5, revents=POLLIN}])
poll([{fd=5, events=POLLOUT}], 1, 0)    = 1 ([{fd=5, revents=POLLOUT}])
poll([{fd=5, events=POLLIN|POLLOUT}], 1, 5000) = 1 ([{fd=5, revents=POLLOUT}])
poll([{fd=5, events=POLLIN}], 1, 4999)  = 0 (Timeout)
poll([{fd=6, events=POLLOUT}], 1, 0)    = 1 ([{fd=6, revents=POLLOUT}])
poll([{fd=6, events=POLLIN|POLLOUT}], 1, 5000) = 1 ([{fd=6, revents=POLLOUT}])
poll([{fd=6, events=POLLIN}], 1, 4999)  = 1 ([{fd=6, revents=POLLIN}])
poll([{fd=6, events=POLLIN}], 1, 4999)  = 1 ([{fd=6, revents=POLLIN}])
poll([{fd=6, events=POLLOUT}], 1, 0)    = 1 ([{fd=6, revents=POLLOUT}])
poll([{fd=6, events=POLLIN}], 1, 5000)  = 0 (Timeout)
poll([{fd=7, events=POLLOUT}], 1, 0)    = 1 ([{fd=7, revents=POLLOUT}])
poll([{fd=7, events=POLLIN}], 1, 5000)  = 1 ([{fd=7, revents=POLLIN}])
poll([{fd=5, events=POLLOUT}], 1, 0)    = 1 ([{fd=5, revents=POLLOUT}])
poll([{fd=5, events=POLLIN|POLLOUT}], 1, 5000) = 1 ([{fd=5, revents=POLLOUT}])
poll([{fd=5, events=POLLIN}], 1, 4999)  = 0 (Timeout)
poll([{fd=6, events=POLLOUT}], 1, 0)    = 1 ([{fd=6, revents=POLLOUT}])
poll([{fd=6, events=POLLIN|POLLOUT}], 1, 5000) = 1 ([{fd=6, revents=POLLOUT}])
poll([{fd=6, events=POLLIN}], 1, 4999)  = 1 ([{fd=6, revents=POLLIN}])
poll([{fd=6, events=POLLIN}], 1, 4999)  = 1 ([{fd=6, revents=POLLIN}])
poll([{fd=6, events=POLLOUT}], 1, 0)    = 1 ([{fd=6, revents=POLLOUT}])
poll([{fd=6, events=POLLIN}], 1, 5000)  = 0 (Timeout)
poll([{fd=7, events=POLLOUT}], 1, 0)    = 1 ([{fd=7, revents=POLLOUT}])
poll([{fd=7, events=POLLIN}], 1, 5000)  = 1 ([{fd=7, revents=POLLIN}])
poll([{fd=5, events=POLLOUT}], 1, 0)    = 1 ([{fd=5, revents=POLLOUT}])
poll([{fd=5, events=POLLIN|POLLOUT}], 1, 5000) = 1 ([{fd=5, revents=POLLOUT}])
poll([{fd=5, events=POLLIN}], 1, 4999