High CPU usage due to MYSQL process

Hello, I have a cPanel server with WordPress website (only 1 user account and only 1 website) There 100% CPU usage because of MYSQL. I did a trace of the process and found the below texts. Please help me to solve this Seems there is some error and that too its on "loop" poll([{fd=29, events=POLLIN}, {fd=30, events=POLLIN}], 2, -1) = -1 ENOSYS (Function not implemented) accept(30, 0x7fff22b71570, [2]) = -1 ENOSYS (Function not implemented) futex(0x20d8b64, FUTEX_WAKE_OP_PRIVATE, 1, 1, 0x20d8b60, FUTEX_OP_SET<<28|0<<12|FUTEX_OP_CMP_GT<<24|0x1) = -1 ENOSYS (Function not implemented) futex(0x20d8ba0, FUTEX_WAKE_PRIVATE, 1) = -1 ENOSYS (Function not implemented) poll([{fd=29, events=POLLIN}, {fd=30, events=POLLIN}], 2, -1) = -1 ENOSYS (Function not implemented) accept(30, 0x7fff22b71570, [2]) = -1 ENOSYS (Function not implemented) futex(0x20d8b64, FUTEX_WAKE_OP_PRIVATE, 1, 1, 0x20d8b60, FUTEX_OP_SET<<28|0<<12|FUTEX_OP_CMP_GT<<24|0x1) = -1 ENOSYS (Function not implemented) futex(0x20d8ba0, FUTEX_WAKE_PRIVATE, 1) = -1 ENOSYS (Function not implemented) poll([{fd=29, events=POLLIN}, {fd=30, events=POLLIN}], 2, -1) = -1 ENOSYS (Function not implemented) accept(30, 0x7fff22b71570, [2]) = -1 ENOSYS (Function not implemented) futex(0x20d8b64, FUTEX_WAKE_OP_PRIVATE, 1, 1, 0x20d8b60, FUTEX_OP_SET<<28|0<<12|FUTEX_OP_CMP_GT<<24|0x1) = -1 ENOSYS (Function not implemented) futex(0x20d8ba0, FUTEX_WAKE_PRIVATE, 1) = -1 ENOSYS (Function not implemented) poll([{fd=29, events=POLLIN}, {fd=30, events=POLLIN}], 2, -1) = -1 ENOSYS (Function not implemented) accept(30, 0x7fff22b71570, [2]) = -1 ENOSYS (Function not implemented) futex(0x20d8b64, FUTEX_WAKE_OP_PRIVATE, 1, 1, 0x20d8b60, FUTEX_OP_SET<<28|0<<12|FUTEX_OP_CMP_GT<<24|0x1) = -1 ENOSYS (Function not implemented) futex(0x20d8ba0, FUTEX_WAKE_PRIVATE, 1) = -1 ENOSYS (Function not implemented) poll([{fd=29, events=POLLIN}, {fd=30, events=POLLIN}], 2, -1) = -1 ENOSYS (Function not implemented) accept(30, 0x7fff22b71570, [2]) = -1 ENOSYS (Function not implemented) futex(0x20d8b64, FUTEX_WAKE_OP_PRIVATE, 1, 1, 0x20d8b60, FUTEX_OP_SET<<28|0<<12|FUTEX_OP_CMP_GT<<24|0x1) = -1 ENOSYS (Function not implemented) futex(0x20d8ba0, FUTEX_WAKE_PRIVATE, 1) = -1 ENOSYS (Function not implemented) poll([{fd=29, events=POLLIN}, {fd=30, events=POLLIN}], 2, -1) = -1 ENOSYS (Function not implemented) accept(30, 0x7fff22b71570, [2]) = -1 ENOSYS (Function not implemented) futex(0x20d8b64, FUTEX_WAKE_OP_PRIVATE, 1, 1, 0x20d8b60, FUTEX_OP_SET<<28|0<<12|FUTEX_OP_CMP_GT<<24|0x1) = -1 ENOSYS (Function not implemented) futex(0x20d8ba0, FUTEX_WAKE_PRIVATE, 1) = -1 ENOSYS (Function not implemented) poll([{fd=29, events=POLLIN}, {fd=30, events=POLLIN}], 2, -1) = -1 ENOSYS (Function not implemented) accept(30, 0x7fff22b71570, [2]) = -1 ENOSYS (Function not implemented) futex(0x20d8b64, FUTEX_WAKE_OP_PRIVATE, 1, 1, 0x20d8b60, FUTEX_OP_SET<<28|0<<12|FUTEX_OP_CMP_GT<<24|0x1) = -1 ENOSYS (Function not implemented) poll([{fd=29, events=POLLIN}, {fd=30, events=POLLIN}], 2, -1) = -1 ENOSYS (Function not implemented) accept(30, 0x7fff22b71570, [2]) = -1 ENOSYS (Function not implemented) futex(0x20d8b64, FUTEX_WAKE_OP_PRIVATE, 1, 1, 0x20d8b60, FUTEX_OP_SET<<28|0<<12|FUTEX_OP_CMP_GT<<24|0x1) = -1 ENOSYS (Function not implemented) futex(0x20d8ba0, FUTEX_WAKE_PRIVATE, 1) = -1 ENOSYS (Function not implemented) poll([{fd=29, events=POLLIN}, {fd=30, events=POLLIN}], 2, -1) = -1 ENOSYS (Function not implemented) accept(30, 0x7fff22b71570, [2]) = -1 ENOSYS (Function not implemented) futex(0x20d8b64, FUTEX_WAKE_OP_PRIVATE, 1, 1, 0x20d8b60, FUTEX_OP_SET<<28|0<<12|FUTEX_OP_CMP_GT<<24|0x1) = -1 ENOSYS (Function not implemented) futex(0x20d8ba0, FUTEX_WAKE_PRIVATE, 1) = -1 ENOSYS (Function not implemented) poll([{fd=29, events=POLLIN}, {fd=30, events=POLLIN}], 2, -1) = -1 ENOSYS (Function not implemented) accept(30, 0x7fff22b71570, [2]) = -1 ENOSYS (Function not implemented) futex(0x20d8b64, FUTEX_WAKE_OP_PRIVATE, 1, 1, 0x20d8b60, FUTEX_OP_SET<<28|0<<12|FUTEX_OP_CMP_GT<<24|0x1) = -1 ENOSYS (Function not implemented) futex(0x20d8ba0, FUTEX_WAKE_PRIVATE, 1) = -1 ENOSYS (Function not implemented) poll([{fd=29, events=POLLIN}, {fd=30, events=POLLIN}], 2, -1) = -1 ENOSYS (Function not implemented) accept(30, 0x7fff22b71570, [2]) = -1 ENOSYS (Function not implemented) futex(0x20d8b64, FUTEX_WAKE_OP_PRIVATE, 1, 1, 0x20d8b60, FUTEX_OP_SET<<28|0<<12|FUTEX_OP_CMP_GT<<24|0x1) = -1 ENOSYS (Function not implemented) poll([{fd=29, events=POLLIN}, {fd=30, events=POLLIN}], 2, -1) = -1 ENOSYS (Function not implemented) accept(30, 0x7fff22b71570, [2]) = -1 ENOSYS (Function not implemented) futex(0x20d8b64, FUTEX_WAKE_OP_PRIVATE, 1, 1, 0x20d8b60, FUTEX_OP_SET<<28|0<<12|FUTEX_OP_CMP_GT<<24|0x1) = -1 ENOSYS (Function not implemented) futex(0x20d8ba0, FUTEX_WAKE_PRIVATE, 1) = -1 ENOSYS (Function not implemented) poll([{fd=29, events=POLLIN}, {fd=30, events=POLLIN}], 2, -1) = -1 ENOSYS (Function not implemented) accept(30, 0x7fff22b71570, [2]) = -1 ENOSYS (Function not implemented) futex(0x20d8b64, FUTEX_WAKE_OP_PRIVATE, 1, 1, 0x20d8b60, FUTEX_OP_SET<<28|0<<12|FUTEX_OP_CMP_GT<<24|0x1) = -1 ENOSYS (Function not implemented) futex(0x20d8ba0, FUTEX_WAKE_PRIVATE, 1) = -1 ENOSYS (Function not implemented)