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From: | Paolo Bonzini |
Subject: | Re: [PATCH 1/1] vl.c: do not execute trace_init_backends() before daemonizing |
Date: | Tue, 5 Jan 2021 19:09:36 +0100 |
User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.5.0 |
On 05/01/21 19:03, Daniel Henrique Barboza wrote:
+ /* + * The trace backend must be initialized before daemonizing.
after, not before. :) With this fixed, Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
+ * trace_init_backends() will call st_init(), which will create the + * trace thread in the parent, and also register st_flush_trace_buffer() + * in atexit(). This function will force the parent to wait for the + * writeout thread to finish, which will not occur, and the parent + * process will be left in the host. + */ + if (!trace_init_backends()) { + exit(1); + } + trace_init_file(); +
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