profiling the resume path
Marcelo Tosatti
marcelo at kvack.org
Wed Aug 29 08:31:09 EDT 2007
Hi David,
This is what happens right after resume.
What you think is the easier/proper way to postpone this console work to
happen after the resume process is finished?
-bash-3.2# cat /proc/mctrace/0 | less
entries: 41797, underruns: 500550
serial8250_console_putchar+0x42/0x9b -> __const_udelay+0xb/0x25
serial8250_console_putchar+0x26/0x9b -> serial_in+0xa/0x70
serial8250_console_putchar+0x42/0x9b -> __const_udelay+0xb/0x25
serial8250_console_putchar+0x26/0x9b -> serial_in+0xa/0x70
serial8250_console_putchar+0x42/0x9b -> __const_udelay+0xb/0x25
serial8250_console_putchar+0x26/0x9b -> serial_in+0xa/0x70
serial8250_console_putchar+0x42/0x9b -> __const_udelay+0xb/0x25
serial8250_console_putchar+0x93/0x9b -> serial_out+0xe/0xb9
uart_console_write+0x3f/0x4b -> serial8250_console_putchar+0xe/0x9b
serial8250_console_putchar+0x26/0x9b -> serial_in+0xa/0x70
serial8250_console_putchar+0x42/0x9b -> __const_udelay+0xb/0x25
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