FreeCalypso > hg > freecalypso-tools
annotate rvinterf/tmsh/pktsort.c @ 619:f82551c77e58
libserial-newlnx: ASYNC_LOW_LATENCY patch reverted
Reports from Das Signal indicate that loadtools performance on Debian
is about the same as on Slackware, and that including or omitting the
ASYNC_LOW_LATENCY patch from Serg makes no difference. Because the
patch in question does not appear to be necessary, it is being reverted
until and unless someone other than Serg reports an actual real-world
system on which loadtools operation times are slowed compared to the
Mother's Slackware reference and on which Slackware-like performance
can be restored by setting the ASYNC_LOW_LATENCY flag.
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Thu, 27 Feb 2020 01:09:48 +0000 |
parents | 27c41e4b21ae |
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0
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1 /* |
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2 * Here we sort out incoming packets from the target relayed via rvinterf. |
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3 */ |
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4 |
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5 #include <sys/types.h> |
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6 #include <stdio.h> |
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7 #include <string.h> |
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8 #include <strings.h> |
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9 #include <stdlib.h> |
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10 #include "pktmux.h" |
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11 #include "limits.h" |
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12 #include "localsock.h" |
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13 #include "localtypes.h" |
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14 #include "etm.h" |
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15 #include "exitcodes.h" |
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16 |
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17 extern u_char rvi_msg[]; |
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18 extern int rvi_msg_len; |
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19 |
71
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20 int got_tm_response; |
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21 |
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22 static void |
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23 print_etm_trace() |
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24 { |
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25 char buf[MAX_PKT_FROM_TARGET*4]; |
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26 |
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27 strcpy(buf, "ETM Tr: "); |
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28 safe_print_trace(rvi_msg + 7, rvi_msg_len - 7, buf + 8); |
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29 async_msg_output(buf); |
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30 } |
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31 |
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32 static void |
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33 process_rvt() |
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34 { |
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35 u32 useid; |
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36 |
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37 if (rvi_msg_len < 7) { |
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38 tty_cleanup(); |
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39 fprintf(stderr, "Error: rvinterf sent us an invalid RVT msg\n"); |
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40 exit(ERROR_RVINTERF); |
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41 } |
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42 useid = rvi_msg[2] << 24 | rvi_msg[3] << 16 | rvi_msg[4] << 8 |
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43 | rvi_msg[5]; |
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44 switch (useid) { |
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45 case 0: |
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46 handle_useid_0(); |
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47 return; |
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48 case ETM_USE_ID: |
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49 print_etm_trace(); |
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50 return; |
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51 default: |
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52 tty_cleanup(); |
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53 fprintf(stderr, "unexpected fwd of USEID %08X from rvinterf\n", |
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54 useid); |
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55 exit(ERROR_RVINTERF); |
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56 } |
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57 } |
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58 |
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59 void |
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60 process_pkt_from_target() |
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61 { |
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62 switch (rvi_msg[1]) { |
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63 case RVT_RV_HEADER: |
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64 process_rvt(); |
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65 return; |
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66 case RVT_TM_HEADER: |
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67 etm_packet_rx(); |
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68 got_tm_response = 1; |
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69 return; |
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70 default: |
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71 tty_cleanup(); |
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72 fprintf(stderr, "unexpected fwd of MUX %02X from rvinterf\n", |
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73 rvi_msg[1]); |
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74 exit(ERROR_RVINTERF); |
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75 } |
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76 } |