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Re: Enabling linux kernel jit compiler from dumpcap?
From: Anders Broman <anders.broman () ericsson com>
Date: Thu, 22 Aug 2013 15:18:50 +0000

Included a patch if someone want to have a go at it.

From: wireshark-dev-bounces () wireshark org [mailto:wireshark-dev-bounces () wireshark org] On Behalf Of Anders Broman
Sent: den 22 augusti 2013 13:47
To: wireshark-dev () wireshark org
Subject: [Wireshark-dev] Enabling linux kernel jit compiler from dumpcap?

Hi
Should we add code to enable the JIT compiler from dumpcap?

From netsniff-ng bpf.c<http://lingrok.org/xref/netsniff-ng/bpf.c>

int enable_kernel_bpf_jit_compiler(void)
{
                int fd;
                ssize_t ret;
                char *file = "/proc/sys/net/core/bpf_jit_enable";

                fd = open(file, O_WRONLY);
                if (unlikely(fd < 0))
                                return -1;

                ret = write(fd, "1", strlen("1"));

                close(fd);
                return ret;
}

Regards
Anders

Attachment: dumpcap.patch
Description: dumpcap.patch

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