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android13/external/OpenCSD/decoder/docs/test_progs.md

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Test Programs {#test_progs}
=============
@brief A description of the test programs used with the library.
The Programs
------------
There are currently two test programs built alongside the library.
1. `trc_pkt_lister` : This test the C++ library by taking a trace "snapshot" directory as an input
and decodes all or a chosen set of trace sources from within the trace data buffers in the library. Command
line parameters allow the test program to be controlled.
2. `c_api_pkt_print_test` : This program tests the "C" API functions, using hardcoded tests
based on the same "snapshots" used for the C++ library. Limited user control for this program.
This can also run tests using the external test decoder to validate the external decoder API.
See [external_custom.md](@ref custom_decoders) for details.
These programs are both built at the same time as the library for the same set of platforms.
See [build_libs.md](@ref build_lib) for build details.
_Note:_ The programs above use the library's [core name mapper helper class] (@ref CoreArchProfileMap) to map
the name of the core into a profile / architecture pair that the library can use.
The snapshot definition must use one of the names recognised by this class or an error will occur.
Trace "Snapshot" directory.
----------------------------
The `.\tests\snapshots` directory contains a number of trace snapshots used for testing the library.
Trace snapshots are dumps of captured binary trace data, CoreSight component configurations and memory
dumps to allow trace decode.
Snapshots are generated on ARM targets and can then be analysed offline. The snapshot format is available
in a separate document.
The `trc_pkt_lister` program.
-----------------------------
This will take a snapshot directory as an input, and list and/or decode all the trace packets for a
single source, for any currently supported protocol.
The output will be a list of discrete packets, generic output packets and any error messages
to file and/or screen as selected by the input command line options.
By default the program will list packets only (no decode), for the first discovered trace sink
(ETB, ETF, ETR) in the snapshot directory, with all streams output.
__Command Line Options__
*Snapshot selection*
- `-ss_dir <dir>` : Set the directory path to a trace snapshot.
- `-ss_verbose` : Verbose output when reading the snapshot.
*Decode options*
- `-id <n>` : Set an ID to list (may be used multiple times) - default if no id set is for all IDs to be printed.
- `-src_name <name>` : List packets from a given snapshot source name (defaults to first source found).
- `-tpiu` : Input data is from a TPIU source that has TPIU FSYNC packets present.
- `-tpiu_hsync` : Input data is from a TPIU source that has both TPIU FSYNC and HSYNC packets present.
- `-decode` : Full decode of the packets from the trace snapshot (default is to list undecoded packets only.
- `-decode_only` : Does not list the undecoded packets, just the trace decode.
- `-src_addr_n` : ETE protocol; Indicate skipped N atoms in source address packet ranges by breaking the decode
range into multiple ranges on N atoms.
- `-o_raw_packed` : Output raw packed trace frames.
- `-o_raw_unpacked` : Output raw unpacked trace data per ID.
*Output options*
Default is to output to file and stdout. Setting any option overrides and limits to only
the options set.
- `-logstdout` : output to stdout.
- `-logstderr` : output to stderr.
- `-logfile` : output to file using the default log file name.
- `-logfilename <name>` : change the name of the output log file.
__Test output examples__
Example command lines with short output excerpts.
*TC2, ETMv3 packet processor output, raw packet output.*
Command line:-
`trc_pkt_lister -ss_dir ..\..\..\snapshots\TC2 -o_raw_unpacked`
~~~~~~~~~~~~~~~~
Frame Data; Index 17958; ID_DATA[0x11]; 16 04 c0 86 42 97 e1 c4
Idx:17945; ID:11; I_SYNC : Instruction Packet synchronisation.; (Periodic); Addr=0xc00416e2; S; ISA=Thumb2;
Idx:17961; ID:11; P_HDR : Atom P-header.; WEN; Cycles=1
Frame Data; Index 17968; ID_DATA[0x11]; ce af 90 80 80 00 a4 84 a0 84 a4 88
Idx:17962; ID:11; TIMESTAMP : Timestamp Value.; TS=0x82f9d13097 (562536984727)
Idx:17974; ID:11; P_HDR : Atom P-header.; WW; Cycles=2
Idx:17975; ID:11; P_HDR : Atom P-header.; WE; Cycles=1
Idx:17976; ID:11; P_HDR : Atom P-header.; W; Cycles=1
Idx:17977; ID:11; P_HDR : Atom P-header.; WE; Cycles=1
Idx:17978; ID:11; P_HDR : Atom P-header.; WW; Cycles=2
Idx:17979; ID:11; P_HDR : Atom P-header.; WEWE; Cycles=2
Frame Data; Index 17980; ID_DATA[0x10]; a0 82
Idx:17980; ID:10; P_HDR : Atom P-header.; W; Cycles=1
Idx:17981; ID:10; P_HDR : Atom P-header.; WEE; Cycles=1
Frame Data; Index 17984; ID_DATA[0x10]; b8 84 a4 88 a0 82
Idx:17984; ID:10; P_HDR : Atom P-header.; WWWWWWW; Cycles=7
Idx:17985; ID:10; P_HDR : Atom P-header.; WE; Cycles=1
Idx:17986; ID:10; P_HDR : Atom P-header.; WW; Cycles=2
Idx:17987; ID:10; P_HDR : Atom P-header.; WEWE; Cycles=2
Idx:17988; ID:10; P_HDR : Atom P-header.; W; Cycles=1
Idx:17989; ID:10; P_HDR : Atom P-header.; WEE; Cycles=1
~~~~~~~~~~~~~~~~
*Juno - ETB_1 selected for STM packet output, raw packet output*
Command line:-
`trc_pkt_lister -ss_dir ..\..\..\snapshots\juno_r1_1 -o_raw_unpacked -src_name ETB_1`
~~~~~~~~~~~~~~~~
Trace Packet Lister: CS Decode library testing
-----------------------------------------------
Trace Packet Lister : reading snapshot from path ..\..\..\snapshots\juno_r1_1
Using ETB_1 as trace source
Trace Packet Lister : STM Protocol on Trace ID 0x20
Frame Data; Index 0; ID_DATA[0x20]; ff ff ff ff ff ff ff ff ff ff 0f 0f 30 41
Idx:0; ID:20; ASYNC:Alignment synchronisation packet.
Idx:11; ID:20; VERSION:Version packet.; Ver=3
Frame Data; Index 16; ID_DATA[0x20]; f1 1a 00 00 00 30 10 af 01 00 00 10 03 f2 1a
Idx:13; ID:20; M8:Set current master.; Master=0x41
Idx:17; ID:20; D32M:32 bit data; with marker.; Data=0x10000000
Idx:22; ID:20; C8:Set current channel.; Chan=0x0001
Idx:23; ID:20; D32M:32 bit data; with marker.; Data=0x10000001
Idx:28; ID:20; C8:Set current channel.; Chan=0x0002
Frame Data; Index 32; ID_DATA[0x20]; 00 00 00 32 30 af 01 00 00 30 03 f4 1a 00 00
Idx:30; ID:20; D32M:32 bit data; with marker.; Data=0x10000002
Idx:36; ID:20; C8:Set current channel.; Chan=0x0003
Idx:37; ID:20; D32M:32 bit data; with marker.; Data=0x10000003
Idx:42; ID:20; C8:Set current channel.; Chan=0x0004
Frame Data; Index 48; ID_DATA[0x20]; 00 f4 ff ff ff ff ff ff ff ff ff ff f0 00 13
Idx:44; ID:20; D32M:32 bit data; with marker.; Data=0x10000004
Idx:50; ID:20; ASYNC:Alignment synchronisation packet.
Idx:61; ID:20; VERSION:Version packet.; Ver=3
~~~~~~~~~~~~~~~~
*Juno - ETMv4 full trace decode + packet monitor, source trace ID 0x10 only.*
Command line:-
`trc_pkt_lister -ss_dir ..\..\..\snapshots\juno_r1_1 -decode -id 0x10`
~~~~~~~~~~~~~~~~
Idx:17204; ID:10; [0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x80 ]; I_ASYNC : Alignment Synchronisation.
Idx:17218; ID:10; [0x01 0x01 0x00 ]; I_TRACE_INFO : Trace Info.; INFO=0x0
Idx:17221; ID:10; [0x9d 0x00 0x35 0x09 0x00 0xc0 0xff 0xff 0xff ]; I_ADDR_L_64IS0 : Address, Long, 64 bit, IS0.; Addr=0xFFFFFFC000096A00;
Idx:17230; ID:10; [0x04 ]; I_TRACE_ON : Trace On.
Idx:17232; ID:10; [0x85 0x00 0x35 0x09 0x00 0xc0 0xff 0xff 0xff 0xf1 0x00 0x00 0x00 0x00 0x00 ]; I_ADDR_CTXT_L_64IS0 : Address & Context, Long, 64 bit, IS0.; Addr=0xFFFFFFC000096A00; Ctxt: AArch64,EL1, NS; CID=0x00000000; VMID=0x0000;
Idx:17248; ID:10; [0xf7 ]; I_ATOM_F1 : Atom format 1.; E
Idx:17230; ID:10; OCSD_GEN_TRC_ELEM_TRACE_ON( [begin or filter])
Idx:17232; ID:10; OCSD_GEN_TRC_ELEM_PE_CONTEXT((ISA=A64) EL1N; 64-bit; VMID=0x0; CTXTID=0x0; )
Idx:17248; ID:10; OCSD_GEN_TRC_ELEM_INSTR_RANGE(exec range=0xffffffc000096a00:[0xffffffc000096a10] num_i(4) last_sz(4) (ISA=A64) E ISB )
Idx:17249; ID:10; [0x9d 0x30 0x25 0x59 0x00 0xc0 0xff 0xff 0xff ]; I_ADDR_L_64IS0 : Address, Long, 64 bit, IS0.; Addr=0xFFFFFFC000594AC0;
Idx:17258; ID:10; [0xf7 ]; I_ATOM_F1 : Atom format 1.; E
Idx:17258; ID:10; OCSD_GEN_TRC_ELEM_ADDR_NACC( 0xffffffc000594ac0 )
Idx:17259; ID:10; [0x95 0xd6 0x95 ]; I_ADDR_S_IS0 : Address, Short, IS0.; Addr=0xFFFFFFC000592B58 ~[0x12B58]
Idx:17262; ID:10; [0xf9 ]; I_ATOM_F3 : Atom format 3.; ENN
Idx:17262; ID:10; OCSD_GEN_TRC_ELEM_ADDR_NACC( 0xffffffc000592b58 )
Idx:17264; ID:10; [0xf7 ]; I_ATOM_F1 : Atom format 1.; E
Idx:17265; ID:10; [0x9a 0x32 0x62 0x5a 0x00 ]; I_ADDR_L_32IS0 : Address, Long, 32 bit, IS0.; Addr=0xFFFFFFC0005AC4C8;
Idx:17270; ID:10; [0xdb ]; I_ATOM_F2 : Atom format 2.; EE
Idx:17270; ID:10; OCSD_GEN_TRC_ELEM_ADDR_NACC( 0xffffffc0005ac4c8 )
Idx:17271; ID:10; [0x9a 0x62 0x52 0x0e 0x00 ]; I_ADDR_L_32IS0 : Address, Long, 32 bit, IS0.; Addr=0xFFFFFFC0000EA588;
Idx:17276; ID:10; [0xfc ]; I_ATOM_F3 : Atom format 3.; NNE
Idx:17276; ID:10; OCSD_GEN_TRC_ELEM_ADDR_NACC( 0xffffffc0000ea588 )
Idx:17277; ID:10; [0x9a 0x58 0x15 0x59 0x00 ]; I_ADDR_L_32IS0 : Address, Long, 32 bit, IS0.; Addr=0xFFFFFFC000592B60;
Idx:17283; ID:10; [0x06 0x1d ]; I_EXCEPT : Exception.; IRQ; Ret Addr Follows;
Idx:17285; ID:10; [0x95 0x59 ]; I_ADDR_S_IS0 : Address, Short, IS0.; Addr=0xFFFFFFC000592B64 ~[0x164]
Idx:17283; ID:10; OCSD_GEN_TRC_ELEM_ADDR_NACC( 0xffffffc000592b60 )
Idx:17283; ID:10; OCSD_GEN_TRC_ELEM_EXCEPTION(pref ret addr:0xffffffc000592b64; excep num (0x0e) )
Idx:17287; ID:10; [0x9a 0x20 0x19 0x08 0x00 ]; I_ADDR_L_32IS0 : Address, Long, 32 bit, IS0.; Addr=0xFFFFFFC000083280;
Idx:17292; ID:10; [0xfd ]; I_ATOM_F3 : Atom format 3.; ENE
Idx:17292; ID:10; OCSD_GEN_TRC_ELEM_INSTR_RANGE(exec range=0xffffffc000083280:[0xffffffc000083284] num_i(1) last_sz(4) (ISA=A64) E BR )
Idx:17292; ID:10; OCSD_GEN_TRC_ELEM_INSTR_RANGE(exec range=0xffffffc000083d40:[0xffffffc000083d9c] num_i(23) last_sz(4) (ISA=A64) N BR <cond>)
Idx:17292; ID:10; OCSD_GEN_TRC_ELEM_INSTR_RANGE(exec range=0xffffffc000083d9c:[0xffffffc000083dac] num_i(4) last_sz(4) (ISA=A64) E iBR b+link )
Idx:17293; ID:10; [0x95 0xf7 0x09 ]; I_ADDR_S_IS0 : Address, Short, IS0.; Addr=0xFFFFFFC0000813DC ~[0x13DC]
Idx:17297; ID:10; [0xdb ]; I_ATOM_F2 : Atom format 2.; EE
Idx:17297; ID:10; OCSD_GEN_TRC_ELEM_INSTR_RANGE(exec range=0xffffffc0000813dc:[0xffffffc0000813f0] num_i(5) last_sz(4) (ISA=A64) E BR b+link )
Idx:17297; ID:10; OCSD_GEN_TRC_ELEM_INSTR_RANGE(exec range=0xffffffc00008f2e0:[0xffffffc00008f2e4] num_i(1) last_sz(4) (ISA=A64) E iBR A64:ret )
Idx:17298; ID:10; [0x95 0x7e ]; I_ADDR_S_IS0 : Address, Short, IS0.; Addr=0xFFFFFFC0000813F8 ~[0x1F8]
Idx:17300; ID:10; [0xe0 ]; I_ATOM_F6 : Atom format 6.; EEEN
Idx:17300; ID:10; OCSD_GEN_TRC_ELEM_INSTR_RANGE(exec range=0xffffffc0000813f8:[0xffffffc00008140c] num_i(5) last_sz(4) (ISA=A64) E BR )
Idx:17300; ID:10; OCSD_GEN_TRC_ELEM_INSTR_RANGE(exec range=0xffffffc00008141c:[0xffffffc000081434] num_i(6) last_sz(4) (ISA=A64) E BR <cond>)
Idx:17300; ID:10; OCSD_GEN_TRC_ELEM_INSTR_RANGE(exec range=0xffffffc00008140c:[0xffffffc000081414] num_i(2) last_sz(4) (ISA=A64) E BR b+link )
Idx:17300; ID:10; OCSD_GEN_TRC_ELEM_ADDR_NACC( 0xffffffc000117cf0 )
~~~~~~~~~~~~~~~~
The `c_api_pkt_print_test` program.
-----------------------------------
Program tests the C-API infrastructure, including as an option the external decoder support.
Limited to decoding trace from a single CoreSight ID. Uses the same "snapshots" as the C++ test program, but using hardcoded path values.
__Command Line Options__
By default the program will run the single CoreSight ID of 0x10 in packet processing output mode using the ETMv4 decoder on the Juno snapshot.
- `-id <n>` : Change the ID used for the test.
- `-etmv3` : Test the ETMv3 decoder - uses the TC2 snapshot.
- `-ptm` : Test the PTM decoder - uses the TC2 snapshot.
- `-stm` : Test the STM decoder - uses juno STM only snapshot.
- `-extern` : Use the 'echo_test' external decoder to test the custom decoder API.
- `-decode` : Output trace protocol packets and full decode generic packets.
- `-decode_only` : Output full decode generic packets only.
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